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In this episode of "From A to B", Adrian asks Brit about the relationships between intelligence, evolution, biodiversity, and tool use.

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http://www.twitter.com/britgarner

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In this Nature League Field Trip, Brit joins Jessi Knudsen Castañeda at Animal Wonders Montana to discuss defensive adaptations across the animal kingdom.

Animal Wonders is an organization dedicated to adopting displaced wildlife and another animals in need, giving them a life-long home, and providing education about exotic and native animals. Subscribe to Animal Wonders on YouTube at https://www.youtube.com/Anmlwndrs to learn more.

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Nature League is a Complexly production
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In this De-Natured segment of Nature League, Brit breaks down a recent scientific journal article about the effect of cannabidiol on brain regions associated with psychosis.

Article citation:

Bhattacharyya S, Wilson R, Appiah-Kusi E, et al.

Effect of cannabidiol on medial temporal, midbrain, and striatal dysfunction in people at clinical high risk of psychosis: a randomized clinical trial.

JAMA Psychiatry, 2018

Article link:
https://jamanetwork.com/journa....ls/jamapsychiatry/ar

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Nature League is a Complexly production
http://www.complexly.com

In this Nature League Field Trip, Brit gets a first-hand look at the challenges facing forests in the Rocky Mountains, including fires, drought, climate change, and pine beetles.

Special thanks to Professor Diana Six at the University of Montana for additional footage. http://www.cfc.umt.edu/research/sixlab/

Follow Brit!
http://www.twitter.com/britgarner

Find Nature League at these places!
Twitter: http://www.twitter.com/nature_league
Facebook: http://www.facebook.com/natureleague

Nature League is a Complexly production
http://www.complexly.com

What is the Antibiotic Apocalypse? What is it all about? And how dangerous is it?

Kurzgesagt MERCH! http://bit.ly/1P1hQIH

Support us on Patreon so we can make more stuff (and get cool wallpapers): https://www.patreon.com/Kurzgesagt?ty=h

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THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US:

Sara Priselac, Eric, José Díez, Antonie Coetzee, Julien Dubois, Mert Tekin, Reno, Ran Moneta, Terry Breen-Smith, Azri Rostam, Guy Nicholson, DeAdrean Martin, Ty Cook, Wes Blind, Marc Stein, Mathias Højbjerg, Rustan Curman, Christopher Homs, Selene Kwan, Nikita, Jamie Buch, Yong-Bi Jo, Charles Cartwrighte, Steven Ferrari, Logan Kent, Danimal, Matthias Gyllenvarg, Kieran Keegan, Jai Kowalik, Chad Mellor, Karla Brilman, Daniel Dchuette, Lindsey Skouras, Allan Lehamnn Kristensen, Michael DeFreitas, James Wiles, Brian Lathrop, Kyle Sayers, Zack, Touki Wawa Wang, David Campos, Conner Fissell, Atlas Moon, Trevor Kam, Anon, Jan Sundgaard Schultz, Andrew Wissam Chidiac Cherian

The Antibiotic Apocalypse Explained

Help us caption & translate this video!

http://www.youtube.com/timedtext_cs_panel?c=UCsXVk37bltHxD1rDPwtNM8Q&tab=2

Designer babies, the end of diseases, genetically modified humans that never age. Outrageous things that used to be science fiction are suddenly becoming reality. The only thing we know for sure is that things will change irreversibly.

Support us on Patreon so we can make more videos (and get cool stuff in return): https://www.patreon.com/Kurzgesagt?ty=h

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soundcloud: http://bit.ly/2aRxNZd
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http://www.epic-mountain.com

Thanks to Volker Henn, James Gurney and (prefers anonymity) for help with this video!

THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US:

Jeffrey Schneider, Konstantin Kaganovich, Tom Leiser, Archie Castillo, Russell Eishard, Ben Kershaw, Marius Stollen, Henry Bowman, Ben Johns, Bogdan Radu, Sam Toland, Pierre Thalamy, Christopher Morgan, Rocks Arent People, Ross Devereux, Pascal Michaud, Derek DuBreuil, Sofia Quintero, Robert Swiniarski, Merkt Kızılırmak, Michelle Rowley, Andy Dong, Saphir Patel, Harris Rotto, Thomas Huzij, Ryan James Burke, NTRX, Chaz Lewis, Amir Resali, The War on Stupid, John Pestana, Lucien Delbert, iaDRM, Jacob Edwards, Lauritz Klaus, Jason Hunt, Marcus : ), Taylor Lau, Rhett H Eisenberg, Mr.Z, Jeremy Dumet, Fatman13, Kasturi Raghavan, Kousora, Rich Sekmistrz, Mozart Peter, Gaby Germanos, Andreas Hertle, Alena Vlachova, Zdravko Šašek

SOURCES AND FURTHER READING:

The best book we read about the topic: GMO Sapiens

https://goo.gl/NxFmk8

(affiliate link, we get a cut if buy the book!)


– Good Overview by Wired:
http://bit.ly/1DuM4zq

–timeline of computer development:
http://bit.ly/1VtiJ0N

– Selective breeding:
http://bit.ly/29GaPVS

– DNA:
http://bit.ly/1rQs8Yk

– Radiation research:
http://bit.ly/2ad6wT1

– inserting DNA snippets into organisms:
http://bit.ly/2apyqbj

– First genetically modified animal:
http://bit.ly/2abkfYO

– First GM patent:
http://bit.ly/2a5cCox

– chemicals produced by GMOs:
http://bit.ly/29UvTbh
http://bit.ly/2abeHwU
http://bit.ly/2a86sBy

– Flavr Savr Tomato:
http://bit.ly/29YPVwN

– First Human Engineering:
http://bit.ly/29ZTfsf

– glowing fish:
http://bit.ly/29UwuJU

– CRISPR:
http://go.nature.com/24Nhykm

– HIV cut from cells and rats with CRISPR:
http://go.nature.com/1RwR1xI
http://ti.me/1TlADSi

– first human CRISPR trials fighting cancer:
http://go.nature.com/28PW40r

first human CRISPR trial approved by Chinese for August 2016:
http://go.nature.com/29RYNnK

– genetic diseases:
http://go.nature.com/2a8f7ny

– pregnancies with Down Syndrome terminated:
http://bit.ly/2acVyvg
( 1999 European study)

– CRISPR and aging:
http://bit.ly/2a3NYAV
http://bit.ly/SuomTy
http://go.nature.com/29WpDj1
http://ti.me/1R7Vus9

Help us caption & translate this video!

http://www.youtube.com/timedtext_cs_panel?c=UCsXVk37bltHxD1rDPwtNM8Q&tab=2

Viewers like you help make PBS (Thank you

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All of today’s big cat species evolved less than 11 million years ago and yet their evolutionary history remains an almost total mystery. But scientists have recently discovered a major clue about the origins of the big cats, one that could provide a whole new starting place for solving this puzzle.

Thanks to Ceri Thomas for the excellent Panthera blytheae and Panthera atrox! Check out more of Ceri's paleoart at http://alphynix.tumblr.com and http://nixillustration.com

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

THANK YOU to our amazing Cenozoic Patreon patron, Patrick Seifert!!

And to the following Patreon patrons for helping make Eons possible:

Katie Fichtner, Anthony Callaghan, Stefan Weber, Ilya Murashov, Charles Kahle, Robert Amling, Po Foon Kwong, Larry Wilson, Merri Snaidman, Renzo Caimi Ordenes, John Vanek, Neil H. Gray, Esmeralda Rupp-Spangle, Gregory Donovan, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Robert Hill, Todd Dittman, Betsy Radley, PS, Philip Slingerland, Jose Garcia, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Daisuke Goto, Hubert Rady, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Jacob Gerke, Alex Yan

If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards!

Want to follow Eons elsewhere on the internet?
Facebook - https://www.facebook.com/eonsshow
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References:
Tseng, Z. J. et al. (2014). Himalayan fossils of the oldest known pantherine establish ancient origin of big cats. Proceedings of the Royal Society B 281: 20132686.
Johnson, W. et al. (2006). The Late Miocene radiation of modern Felidae: a genetic assessment. Science 311: 73-77.
Davis, B. et al. (2010). Supermatrix and species tree methods resolve phylogenetic relationships within the big cats, Panthera (Carnivora: Felidae). Molecular Phylogenetics and Evolution 56: 64-76.
Turner, A. and Antón, M. (1997). The big cats and their fossil relatives. New York: Columbia University Press.
Werderlin, L. and Lewis, M.E. (2005). Plio-Pleistocene Carnivora of eastern Africa: species richness and turnover patterns. Zoological Journal of the Linnean Society 144: 121–144.
Zhou Y. et al. (2017). Comprehensive species set revealing the phylogeny and biogeography of Feliformia (Mammalia, Carnivora) based on mitochondrial DNA. PLoS ONE 12(3): e0174902.

Try CuriosityStream today: http://curiositystream.com/eons

Synapsids were the world’s first-ever terrestrial megafauna but the vast majority of these giants were doomed to extinction. However some lived on, keeping a low profile among the dinosaurs. And now our world is the way it is because of the time when the synapsids struck back.

Thanks to Ceri Thomas for the excellent Synapsid illustration (including Bulbasaurus!)! Check out more of Ceri's paleoart at http://alphynix.tumblr.com and http://nixillustration.com

And thanks as always to Studio 252mya for their wonderful illustrations. You can find more of their work here: https://252mya.com/

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Super special thanks to the following Patreon patrons for helping make Eons possible:

Katie Fichtner, Anthony Callaghan, Zachary Spencer, Stefan Weber, Ilya Murashov, Charles Kahle, Robert Amling, Po Foon Kwong, Larry Wilson, Merri Snaidman, Renzo Caimi Ordenes, John Vanek, Neil H. Gray, Esmeralda Rupp-Spangle, Gregory Donovan, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Robert Hill, Todd Dittman, Betsy Radley, PS, Philip Slingerland, Jose Garcia, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Daisuke Goto, Hubert Rady, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Alex Yan

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References: https://docs.google.com/docume....nt/d/1YbTns-AcONtRWN

Check out Monstrum! https://www.youtube.com/monstrumpbs
From our deepest origins in Africa all the way to the Americas, by looking at the fossils and archaeological materials we have been able to trace the path our ancestors took during thee short window of time when we took over the world.

Thanks to Julio Lacerda and Studio 252mya for the human migration illustration. You can find more of Julio's work here: https://252mya.com/gallery/julio-lacerda

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Super special thanks to the following Patreon patrons for helping make Eons possible:

Katie Fichtner, Anthony Callaghan, Stefan Weber, Ilya Murashov, Charles Kahle, Robert Amling, Po Foon Kwong, Larry Wilson, Merri Snaidman, Renzo Caimi Ordenes, John Vanek, Neil H. Gray, Esmeralda Rupp-Spangle, Gregory Donovan, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Robert Hill, Todd Dittman, Betsy Radley, PS, Philip Slingerland, Jose Garcia, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Daisuke Goto, Hubert Rady, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Jacob Gerke, Alex Yan

If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards!

Want to follow Eons elsewhere on the internet?
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References: https://docs.google.com/docume....nt/d/1GizNGXmo0E8fTu

Try Audible for 30 days visit https://www.audible.com/eons or text eons to 500500!

Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes. Over time, they developed a number of adaptations--from crushing claws to flattened tails for swimming. And some of them adapted by getting so big that they still hold the record as the largest arthropods of all time.

Thank you to these paleoartists for allowing us to use their wonderful illustrations:
Franz Anthony: https://252mya.com/gallery/franz-anthony
Ceri Thomas: http://alphynix.tumblr.com/
Lucas Lima: https://252mya.com/gallery/lucas-lima
Julio Lacerda: https://252mya.com/gallery/julio-lacerda
Nobu Tamura: https://spinops.blogspot.com/


Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Super special thanks to the following Patreon patrons for helping make Eons possible:

Katie Fichtner, Anthony Callaghan, Robert Amling, Po Foon Kwong, Larry Wilson, Merri Snaidman, Renzo Caimi Ordenes, John Vanek, Neil H. Gray, Marilyn Wolmart, Esmeralda Rupp-Spangle, Gregory Donovan, Ehit Dinesh Agarwal, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Robert Hill, Kelby Reid, Todd Dittman, Betsy Radley, PS, Philip Slingerland, Jose Garcia, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Daisuke Goto, Hubert Rady, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Ron Harvey Jr, Jacob Gerke, Alex Yan

If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards!

Want to follow Eons elsewhere on the internet?
Facebook - https://www.facebook.com/eonsshow
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References:
Braddy, Simon J., Richard J. Aldridge, Sarah E. Gabbott, and Johannes N. Theron. "Lamellate book-gills in a late Ordovician eurypterid from the Soom Shale, South Africa: support for a eurypterid-scorpion clade." Lethaia 32, no. 1 (1999): 72-74.
Braddy, Simon J., Markus Poschmann, and O. Erik Tetlie. "Giant claw reveals the largest ever arthropod." Biology Letters 4, no. 1 (2007): 106-109. https://royalsocietypublishing.....org/doi/full/10.109
Brezinski, David K., and Albert D. Kollar. "Reevaluation of the Age and Provenance of the Giant Palmichnium kosinskiorum Eurypterid Trackway, from Elk County, Pennsylvania." Annals of Carnegie Museum 84, no. 1 (2016): 39-45.
Briggs, Derek EG, and WD Ian Rolfe. "A giant arthropod trackway from the Lower Mississippian of Pennsylvania." Journal of Paleontology (1983): 377-390. https://www.jstor.org/stable/pdf/1304661.pdf?seq=1
Elliott, David K., and Michael A. Petriello. "New poraspids (Agnatha, Heterostraci) from the Early Devonian of the western United States." Journal of Vertebrate Paleontology 31, no. 3 (2011): 518-530.
Lamsdell, James C., and Simon J. Braddy. "Cope's Rule and Romer's theory: patterns of diversity and gigantism in eurypterids and Palaeozoic vertebrates." Biology Letters (2009): doi.org/10.1098/rsbl.2009.0700
Lamsdell, James C., Simon J. Braddy, and O. Erik Tetlie. "Redescription of Drepanopterus abonensis (Chelicerata: Eurypterida: Stylonurina) from the Late Devonian of Portishead, UK." Palaeontology 52, no. 5 (2009): 1113-1139.
Legg, David A. "Sanctacaris uncata: the oldest chelicerate (Arthropoda). "Naturwissenschaften 101, no. 12 (2014): 1065-1073.
Manning, P. L. and Dunlop, J. A. “The respiratory organs of eurypterids.” Palaeontology, 38, no. 2 (1995): 287–297.
McCoy, Victoria E., James C. Lamsdell, Markus Poschmann, Ross P. Anderson, and Derek EG Briggs. "All the better to see you with: eyes and claws reveal the evolution of divergent ecological roles in giant pterygotid eurypterids." Biology letters 11, no. 8 (2015): 20150564.
Poschmann, Markus, Brigitte Schoenemann, and Victoria E. McCoy. "Telltale eyes: the lateral visual systems of Rhenish Lower Devonian eurypterids (Arthropoda, Chelicerata) and their palaeobiological implications." Palaeontology 59, no. 2 (2016): 295-304.
Selden, P. A., and John David Lawson. "Eurypterid respiration." Phil. Trans. R. Soc. Lond. B 309, no. 1138 (1985): https://royalsocietypublishing.....org/doi/pdf/10.1098
Tetlie, O. Erik. "Distribution and dispersal history of Eurypterida (Chelicerata)." Palaeogeography, Palaeoclimatology, Palaeoecology 252, no. 3-4 (2007): 557-574. https://pdfs.semanticscholar.o....rg/6434/bc6cdbfd7613
Vrazo, Matthew B., and Simon J. Braddy. "Testing the ‘mass-moult-mate’hypothesis of eurypterid palaeoecology." Palaeogeography, Palaeoclimatology, Palaeoecology 311, no. 1-2 (2011): 63-73.
Whyte, Martin A. "Palaeoecology: a gigantic fossil arthropod trackway." Nature 438, no. 7068 (2005): 576.

Support us on Patreon! http://patreon.com/eons

Ratites have spread to Africa, Australia, New Zealand, and South America. And there are fossils of Ratites in Europe, Asia, and North America too. That’s a lot of ground to cover for birds that can’t fly. So how did Ratites end up all over the world?

Thanks to Ceri Thomas for the Lithornithid reconstruction. Check out more of Ceri's paleoart at http://alphynix.tumblr.com and http://nixillustration.com

Thanks as always to Nobu Tamura for allowing us to use his wonderful paleoart: http://spinops.blogspot.com/

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Super special thanks to the following Patreon patrons for helping make Eons possible:

Katie Fichtner, Aldo Espinosa Zúñiga, Anthony Callaghan, Esmeralda Rupp-Spangle, Gregory Donovan, Ehit Dinesh Agarwal, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Anel Salas, Robert Arévalo, Robert Hill, Kelby Reid, Todd Dittman, Betsy Radley, PS, Colin Sylvester, Philip Slingerland, John Vanek, Jose Garcia, Noah offitzer, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Sapjes, Daisuke Goto, Hubert Rady, Yuntao Zhou, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Ruben Winter, Ron Harvey Jr, Jacob Gerke, Alex Yan

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Want to follow Eons elsewhere on the internet?
Facebook - https://www.facebook.com/eonsshow
Twitter - https://twitter.com/eonsshow
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References:
http://www.pnas.org/content/ea....rly/2014/03/14/13149
https://researchcommons.waikat....o.ac.nz/handle/10289
https://www.sciencedirect.com/....science/article/pii/
https://www.sciencedirect.com/....science/article/pii/
https://journals.plos.org/plos....one/article?id=10.13
https://www.researchgate.net/p....ublication/228865624
https://www.jstor.org/stable/3545707
http://www.pnas.org/content/115/7/1546
https://onlinelibrary.wiley.co....m/doi/abs/10.1111/j.
https://www.nature.com/articles/nature01871
https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC27916
https://www.sciencedirect.com/....science/article/pii/
https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC18100
http://science.sciencemag.org/content/324/5923/42
https://www.nature.com/articles/nature01838
https://academic.oup.com/bioli....nnean/article/112/4/
http://digitallibrary.amnh.org/handle/2246/5660
https://onlinelibrary.wiley.co....m/doi/abs/10.1111/j.
http://science.sciencemag.org/....content/344/6186/898
http://rspb.royalsocietypublis....hing.org/content/276
https://digital.library.adelai....de.edu.au/dspace/han
http://www.pnas.org/content/110/42/16910
https://dspace.flinders.edu.au..../xmlui/handle/2328/3
https://www.ncbi.nlm.nih.gov/pubmed/27989673
https://www.tandfonline.com/do....i/full/10.1080/02724
https://www.notornis.osnz.org.....nz/notes-weight-flyi
https://www.jstor.org/stable/2462941
https://onlinelibrary.wiley.co....m/doi/abs/10.1002/jm

The story of sloths is one of astounding ecological variability, with some foraging in the seas, others living underground, and others still hiding from predators in towering cliffs. So why are their only living relatives in the trees?

Thanks to Ceri Thomas for allowing us to use few sloth reconstructions! Check out more of Ceri's paleoart at http://alphynix.tumblr.com and http://nixillustration.com

And thanks as always to Franz Anthony and everyone at http://252mya.com for their great paleoart.

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Super special thanks to the following Patreon patrons for helping make Eons possible:

Katie Fichtner, Aldo Espinosa Zúñiga, Anthony Callaghan, Esmeralda Rupp-Spangle, Gregory Donovan, Ehit Dinesh Agarwal, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Anel Salas, Robert Arévalo, Robert Hill, Kelby Reid, Todd Dittman, Betsy Radley, PS, Colin Sylvester, Philip Slingerland, John Vanek, Jose Garcia, Noah offitzer, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Sapjes, Daisuke Goto, Hubert Rady, Yuntao Zhou, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Ruben Winter, Ron Harvey Jr, Jacob Gerke, Alex Yan

If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards!

Want to follow Eons elsewhere on the internet?
Facebook - https://www.facebook.com/eonsshow
Twitter - https://twitter.com/eonsshow
Instagram - https://www.instagram.com/eonsshow/

References:
https://link.springer.com/arti....cle/10.1007/s10722-0
https://www.tandfonline.com/do....i/abs/10.1080/004382
http://www.pnas.org/content/102/33/11763
https://www.cambridge.org/core..../journals/journal-of
https://www.jstor.org/stable/2400207
https://onlinelibrary.wiley.co....m/doi/abs/10.1111/j.
https://www.tandfonline.com/do....i/abs/10.1080/104209
https://palaeo-electronica.org..../2009_3/189/index.ht
https://link.springer.com/arti....cle/10.1007/s10914-0
https://eurekamag.com/research..../020/408/020408865.p
https://www.tandfonline.com/doi/abs/10.1671/2429b
https://link.springer.com/arti....cle/10.1007/s10914-0
https://link.springer.com/arti....cle/10.1007/s10914-0
https://link.springer.com/arti....cle/10.1007/s10914-0
https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC39732
http://www.bioone.org/doi/abs/....10.1671/0272-4634(20
https://academic.oup.com/zooli....nnean/article/140/2/
https://link.springer.com/arti....cle/10.1007/s10914-0
https://www.ncbi.nlm.nih.gov/pubmed/25861559
https://peerj.com/articles/5600/
https://www.tandfonline.com/do....i/abs/10.1671/0272-4
https://www.researchgate.net/p....ublication/233548931

Try CuriosityStream today: http://curiositystream.com/eons

Fossilized footprints have proved that human ancestors were already striding across the landscape 3.6 million years ago. But who started them on that path? What species pioneered this style of locomotion? Who was the first to walk?

Check out our new sticker! https://store.dftba.com/collec....tions/all/products/e

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Super special thanks to the following Patreon patrons for helping make Eons possible:
Katie Fichtner, Aldo Espinosa Zúñiga, Anthony Callaghan, Marcus Lejon, Anel Salas, Robert Arévalo, Robert Hill, Kelby Reid, Todd Dittman, Betsy Radley, Svetlana Pylaeva, Colin Sylvester, Philip Slingerland, John Vanek, Jose Garcia, Noah offitzer, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Wilco Verweij, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Elysha Nygård, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Sapjes, Daisuke Goto, Hubert Rady, Yuntao Zhou, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Ruben Winter, Ron Harvey Jr, Joshua Mitchell, Johnny Li, Jacob Gerke, Brandon Burke, Alex Yan

If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards!

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References:
http://humanorigins.si.edu/evi....dence/human-fossils/
http://humanorigins.si.edu/evi....dence/behavior/footp
https://www.smithsonianmag.com..../science-nature/beco
https://www.nature.com/news/20....07/070716/full/news0
Dericquebourg, P., Person, A., Ségalen, L., Pickford, M., Senut, B., & Fagel, N. (2015). Environmental significance of Upper Miocene phosphorites at hominid sites in the Lukeino Formation (Tugen Hills, Kenya). Sedimentary Geology, 327, 43-54.
Thorpe, S. K., McClymont, J. M., & Crompton, R. H. (2014). The arboreal origins of human bipedalism. Antiquity, 88(341), 906-914.
Harcourt-Smith, W. H. (2010). The first hominins and the origins of bipedalism. Evolution: Education and Outreach, 3(3), 333-340.
Brunet, M., Guy, F., Pilbeam, D., Lieberman, D. E., Likius, A., Mackaye, H. T., ... & Vignaud, P. (2005). New material of the earliest hominid from the Upper Miocene of Chad. Nature, 434(7034), 752.
Richmond, B. G., & Jungers, W. L. (2008). Orrorin tugenensis femoral morphology and the evolution of hominin bipedalism. Science, 319(5870), 1662-1665.
Begun, D. R. (2004). The earliest hominins--is less more?. Science, 303(5663), 1478-1480.
Lovejoy, C. O., Latimer, B., Suwa, G., Asfaw, B., & White, T. D. (2009). Combining prehension and propulsion: the foot of Ardipithecus ramidus. Science, 326(5949), 72-72e8.
Lovejoy, C. O., Suwa, G., Spurlock, L., Asfaw, B., & White, T. D. (2009). The pelvis and femur of Ardipithecus ramidus: the emergence of upright walking. Science, 326(5949), 71-71e6.
White, T. D., Suwa, G., & Asfaw, B. (1994). Australopithecus ramidus, a new species of early hominid from Aramis, Ethiopia. Nature, 371(6495), 306.
Leakey, M. G., Feibel, C. S., McDougall, I., & Walker, A. (1995). New four-million-year-old hominid species from Kanapoi and Allia Bay, Kenya. Nature, 376(6541), 565.
White, T. D., WoldeGabriel, G., Asfaw, B., Ambrose, S., Beyene, Y., Bernor, R. L., ... & Hart, W. K. (2006). Asa Issie, Aramis and the origin of Australopithecus. Nature, 440(7086), 883.
Masao, F. T., Ichumbaki, E. B., Cherin, M., Barili, A., Boschian, G., Iurino, D. A., ... & Manzi, G. (2016). New footprints from Laetoli (Tanzania) provide evidence for marked body size variation in early hominins. elife, 5, e19568.
Almécija, S., Tallman, M., Alba, D. M., Pina, M., Moyà-Solà, S., & Jungers, W. L. (2013). The femur of Orrorin tugenensis exhibits morphometric affinities with both Miocene apes and later hominins. Nature Communications, 4, 2888.

In this video I share some highlights from my Patreon painting tutorials.

REAL-TIME PAINTING VIDEOS, TUTORIALS and other helpful materials ▶ https://www.patreon.com/dariacallie/overview


Commissions: closed.

CONNECT WITH ME:
Instagram: https://www.instagram.com/dariacallie/
Facebook: https://www.facebook.com/DariaCallieArt/
Website: https://www.dariacallie.com/


Materials used:
• Oil paints - "Nevskaya palitra"
Colors: Burnt Umber, Cadmium Yellow Pale, Ultramarine Blue, Cadmium Red and Titanium White.
• Primed 280gsm paper or frosted acrylic panels
• Paint thinner (odorless mineral spirits)
• Medium (stand linseed oil)
• Brushes - round detail brushes in sizes 1, 0 and 00; and synthetic filbert brushes in different sizes.
• Glass palette
• Palette knife
• Paper towels (or tissues that I use to wipe the brushes)


Music: Mindthings https://soundcloud.com/mindthings
Liam J Hennessy https://soundcloud.com/liamjhennessy

Visit me on FB: https://www.facebook.com/LeonardoPereznieto
Follow Fine Art Tips on Google+: http://goo.gl/TqsmiJ
My website: http://www.ArtistLeonardo.com/

Do you want to help me translating it into your language?
(Note: First check if it hasn´t been translated already by pressing the "CC" button on the lower part of the video).
All you need to do is to please go to the following link and translate. Thank you!:
http://www.youtube.com/timedte....xt_video?v=GKSm8pKzY

If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@artistleonardo.com (Business only, not for personal messages.)

List of materials:

Schmincke watercolor set - See it here: http://amzn.to/2jZ0GXI
Watercolor round brushes: 00, 2, 10, 22
Archess water-colour paper -
A wooden rod

If you would like to see photos and brands of my tools, please go to my blog about materials with the following link:

http://www.fineartebooks.com/h....owtodraw_drawingscho

You may also follow me on:

My Blog: http://www.fineartebooks.com/h....owtodraw_drawingscho

My Twitter: https://twitter.com/#!/ArtistLeonardo

Fine Art Tips on Google+: http://goo.gl/TqsmiJ

My Google+ page as an artist (with my sculptures, paintings, etc): http://goo.gl/n7p96D

My Instagram: http://instagram.com/artistleonardo

My LinkedIn: http://www.linkedin.com/profile/view?id=89957576&trk=tab_pro

My Vine: https://vine.co/v/hKnn3rbwJmT

My Pinterest: http://pinterest.com/ArtistLeonardo/

My VK: http://vk.com/leonardopereznieto

My website Leonardo Pereznieto: http://www.leonardopereznieto.com/leo/Intro.html

I wish you great creations!

Audio file(s) provided by http://www.audiomicro.com

This tutorial shows How to Paint a Cherry Tree in Watercolor - Painting Trees - Paint a Tree - Sakura

Visit me on FB: https://www.facebook.com/LeonardoPereznieto
Follow Fine Art Tips on Google+: http://goo.gl/TqsmiJ
My website: http://www.ArtistLeonardo.com/

Do you want to help me translating it into your language?
(Note: First check if it hasn´t been translated already by pressing the "CC" button on the lower part of the video).
All you need to do is to please go to the following link and translate. Thank you!:
http://www.youtube.com/timedte....xt_video?v=nZcGA4pML

If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@artistleonardo.com (Business only, not for personal messages.)

List of materials:

Schmincke watercolor set - See it here: http://amzn.to/2jZ0GXI
Watercolor round brushes of assorted sizes
Arches Watercolor paper, hot pressed 10 x 14 inch, 100% cotton See it here: http://amzn.to/2kWJgZj
Tissue paper

If you would like to see photos and brands of my tools, please go to my blog about watercolor materials with the following link:

http://www.fineartebooks.com/h....owtodraw_drawingscho

You may also follow me on:

My Blog: http://www.fineartebooks.com/h....owtodraw_drawingscho

My Twitter: https://twitter.com/#!/ArtistLeonardo

Fine Art Tips on Google+: http://goo.gl/TqsmiJ

My Google+ page as an artist (with my sculptures, paintings, etc): http://goo.gl/n7p96D

My Instagram: http://instagram.com/artistleonardo

My LinkedIn: http://www.linkedin.com/profile/view?id=89957576&trk=tab_pro

My Vine: https://vine.co/v/hKnn3rbwJmT

My Pinterest: http://pinterest.com/ArtistLeonardo/

My VK: http://vk.com/leonardopereznieto

My website Leonardo Pereznieto: http://www.leonardopereznieto.com/leo/Intro.html

I wish you great creations!

Audio file(s) provided by http://www.audiomicro.com

This tutorial shows How to Paint a Galaxy With Watercolor - Universe

Visit me on FB: https://www.facebook.com/LeonardoPereznieto

Visit: http://www.fineartebooks.com/ for free drawing tutorials.

If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@leopereznieto.com (Business only, not for personal messages.)

List of materials:

Black lead holder: H lead
Red lead holder: 3B lead
MagicRub eraser, FaberCastell
Canson light grey drawing paper
Stump
White pastel pencil FaberCastell

If you would like to see photos and brands of my tools, please go to my blog about materials with the following link:

http://www.fineartebooks.com/howtodraw_drawingschool/My_Blog/Entries/2012/8/1_My_materials.html

You may also follow me on:

My Blog: http://www.fineartebooks.com/howtodraw_drawingschool/My_Blog/My_Blog.html

Twitter: https://twitter.com/#!/ArtistLeonardo

LinkedIn: http://www.linkedin.com/profile/view?id=89957576&trk=tab_pro

Google+: https://plus.google.com/u/0/10....0373866809472929876/

VK: http://vk.com/leonardopereznieto

Leonardo Pereznieto: http://www.leonardopereznieto.com/leo/Intro.html

Audio file(s) provided by http://www.audiomicro.com

This tutorial shows How to Draw a Sailing Boat - How to Draw a Sea - How to Draw Clouds

For long tutorials subscribe to Patreon: https://www.patreon.com/artistleonardo
My drawing book: http://amzn.to/1K7L8Ed
Visit me on FB: https://www.facebook.com/LeonardoPereznieto
My website: http://www.ArtistLeonardo.com/

Do you want to help me translating it into your language?
(Note: First check if it hasn´t been translated already by pressing the "CC" button on the lower part of the video).
To translate the title of the video and the subtitles, all you need to do is to please go to the following link and translate (you don't necessarily need to do the whole thing, you can do a section and other people in the community can finish it). Thank you!:
http://www.youtube.com/timedtext_video?ref=share&v=Bwqw0ZrM7E8

If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@leopereznieto.com (Business only, not for personal messages.)

List of materials:

- Mechanical pencil: Tutto3, with 0.3mm 2H lead, 0.5 HB and 0.7 mm 2B lead - http://oartinternational.com/tutto3/

- Large transparent square triangle (similar to this): http://amzn.to/2AQKAsw

- Kneaded eraser Prismacolor - See it here: http://amzn.to/2cvi6G7

- Eraser: Prismacolor Premier Magic Rub - http://amzn.to/2x527vF

- SCHMINCKE 48 Half Pan Watercolor Set - http://amzn.to/2n45H1f

- Watercolor masking fluid - http://amzn.to/2AFA3h5

- Watercolor synthetic sable brushes, compact travel set - http://amzn.to/2AZyQUF

- Flat synthetic oil paint brushes n.6, n.10 and 3/4 inch - http://amzn.to/2rjSa9T

- Bristle brush: Hog - Filbert - 1 - http://amzn.to/2hq0jHb

- Fabriano Artistico 140 lb. Rough 20 Sheet Block 9x12" - See it here: http://amzn.to/2mZuLWu

- Desk duster (to clean up the eraser crumbs without touching the paper with the fingers) - http://amzn.to/2vZ7kjo


Recording Equipment:

Video camera: Panasonic HC-V380K - http://amzn.to/2xJwVmb

“L” shaped camera tripod - http://amzn.to/2xKUcnX

Mic: Blue Jeti - http://amzn.to/2gnwxCp
Pop filter (Mic screen) - http://amzn.to/2ysgn0T
Mic Foam Windacreen - http://amzn.to/2zeiYc8

- Lighting: Studio soft boxes: http://amzn.to/2xKSxhW

Laptop: Apple MacBookPro 13”. Mine is an older version of this beauty: http://amzn.to/2xKzHHL (note, the software I use for editing is Final Cut.)

Some of the above links are affiliate links.

If you would like to see photos and brands of my tools, please go to my blog about materials with the following link:

http://fineart-tips.blogspot.m....x/2015/07/my-drawing


Download Fine Art-Tips mobile app:

On the Apple Store:

For iPhone/iPad free: https://itunes.apple.com/us/ap....p/fine-art-tips-draw

For iPhone/iPad, Premium: https://itunes.apple.com/us/ap....p/fine-art-tips-prem

On Google Play:

For Android free: https://play.google.com/store/apps/details?id=allmax.fine.art.tips.free2&hl=en

For Android, Premium: https://play.google.com/store/apps/details?id=allmax.fine.art.tips2&hl=en

You may also follow me on:

My Blog: http://fineart-tips.blogspot.mx/

My Twitter: https://twitter.com/#!/ArtistLeonardo

Fine Art Tips on Google+: http://goo.gl/TqsmiJ

My Instagram: http://instagram.com/artistleonardo

My LinkedIn: http://www.linkedin.com/profile/view?id=89957576&trk=tab_pro

My Pinterest: http://pinterest.com/ArtistLeonardo/

My VK: http://vk.com/leonardopereznieto

My website: http://www.artistleonardo.com/

I wish you great creations!

Audio file(s) provided by http://www.audiomicro.com

This tutorial shows How to Paint a Waterscape With a Sailing Boat in Watercolor (Easy - Narrated)