Top Vídeos
The humble pine cone is more than a holiday decoration. It's an ancient form of tree sex. Flowers may be faster and showier, but the largest living things in the world? The oldest? They all reproduce with cones.
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Do pine cones have seeds?
“There are two different types of cones,” says Bruce Baldwin, professor of plant biology at University of California, Berkeley. “There’s seed cones and pollen cones. The pollen cones are relatively tiny. The seed cone gets to be much larger and takes three years to develop and release seeds so you can often see pine cones of three different stages of development on a single tree.”
Why do pine cones open and close?
Early in their development, the scales open slightly for a short time to grant access to wind-borne pollen released from smaller pollen cones. After receiving the pollen, the female cones close back up until the seeds are fertilized and mature. Once they are, the scales reopen allowing the wind to disperse the winged seeds.
What are the oldest living trees?
Conifers are some of the oldest plants in the forest. And they were once much more diverse than they are today. But since the evolution of flowering plants, their diversity has plummeted. Today only about 0.3 percent of all the species of seed plants have cones. Flowering plants have taken over most of the warmer, wetter habitats, pushing out the evergreen conifers.
What are the tallest living trees?
The tallest (coast redwood), most massive (giant sequoia) and oldest living (bristlecone pine) individual organisms is the world are all conifers.
More great Deep Look episodes:
These 'Resurrection Plants' Spring Back to Life in Seconds | Deep Look:
https://youtu.be/eoFGKlZMo2g
The Hidden Perils of Permafrost:
https://youtu.be/wxABO84gol8
See also another great video from the PBS Digital Studios!
It's Okay to Be Smart:
https://youtu.be/jgspUYDwnzQ
BrainCraft:
https://www.youtube.com/watch?v=Xr1dB86xE8o
Read an extended article on pine cones:
https://ww2.kqed.org/science/2....015/11/24/the-sex-li
If you’re in the San Francisco Bay Area, You can check out the conifer collections at the University of California, Berkeley Jepson Herbarium:
http://ucjeps.berkeley.edu/
Or take a stroll through Tilden Regional Parks Botanic Garden to see a variety of California conifers:
http://www.ebparks.org/page156.aspx
KQED Science: http://www.kqed.org/science
Tumblr: http://kqedscience.tumblr.com
Twitter: https://www.twitter.com/kqedscience
Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is supported by HopeLab, The David B. Gold Foundation; S. D. Bechtel, Jr. Foundation; The Dirk and Charlene Kabcenell Foundation; The Vadasz Family Foundation; Smart Family Foundation and the members of KQED.
#deeplook
The Top Wing cadets have a bunch of problems! Will they be able to stop the banana bandits before things get out of hand?
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Mamá Felicia, Tía Chiqui y Tío Ignacio saludan a Yoshua.
Viernes 24 de abril 2020
Brit looks back on our first month on Nature League, when we explored the theme of life on Earth.
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Nature League is a weekly edutainment channel that explores life on Earth and asks questions that inspire us to marvel at all things wild. Join host Brit Garner each week to learn about, connect to, and love the amazing living systems on Earth and the mechanics that drive them.
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65 million years ago, a large asteroid collided with Earth near present-day Chicxulub, Mexico. The impact was a climactic event that likely contributed to dinosaur extinction. Today, Earth remains vulnerable to asteroid collisions. In recent history, space rocks have landed in The United States, Russia, and elsewhere. In the event of a potential asteroid collision, NASA has developed several options for dealing with the threat. Researchers at NASA’s Center for Near Earth Object Studies and Jet Propulsion Laboratory have proposed using blunt force, weaponized deflection or a theoretical tool called a gravity tractor to deflect impact. In addition to developing contingency plans, NASA scientists are also searching the sky for future asteroid threats.
Sources:
Source article: https://www.vox.com/a/asteroid-day
Chicxulub impact information: https://www.jpl.nasa.gov/news/news.php?feature=8
NASA JPL: https://www.nasa.gov/asteroid-and-comet-watch
NASA asteroid tracking: https://www.jpl.nasa.gov/edu/n....ews/2017/4/18/how-na
NASA Center for Near Earth Object Studies: https://cneos.jpl.nasa.gov/
Congressional hearing on asteroids: https://www.c-span.org/video/?....311602-1/threats-ast
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El libro de la selva (en inglés: The Jungle Book), también llamado El libro de las tierras vírgenes, publicado en 1894, es una colección de historias escritas por el inglés nacido en India Rudyard Kipling (Bombay, 1865 – Londres, 1936), el primer escritor británico en ser galardonado con el Premio Nobel de Literatura en 1907.
El bebé aparece en la cueva de una manada de lobos quienes lo salvan de las garras de Shere Khan. Raksha (la madre loba adoptiva) lo llama «Mowgli» —'la rana', dado que no tiene pelo—.
Mowgli es entonces presentado en el Consejo de la Roca, máximo órgano deliberativo de la manada de lobos, para que sea reconocido como uno más de ellos. El Consejo es liderado por Akela, quien señala que, para aceptarlo como lobato al menos dos miembros que no sean de su familia adoptiva deben interceder por él, Baloo (un oso bezudo que enseña la ley de la selva) quien es el único que sin ser lobo es miembro del consejo habla a favor de Mowgli, y el segundo en hablar a su favor es Bagheera, la pantera, quien señala que aun sin ser miembro puede cumplir la ley de la manada ofreciendo a ésta un buey que acaba de matar.
Wikipedia: https://es.wikipedia.org/wiki/El_libro_de_la_selva
Cuentos infantiles para dormir y animados para tus hijos y hijas. Elige tu cuentos cortos favorita además dibujos animados para niños
#CuentosyCancionesInfantiles
Mira cuentos infantiles en Inglés:
https://www.youtube.com/channe....l/UCOPzf8kf-FUDs32E7
Оркестър за Народна Музика на БНР, Хор "Космически гласове" и хор на ФА „Тракия" с диригент Димитър Христов - Празнична сюита.
Концерт, посветен на 70-годишнината от рождението на Стефан Мутафчиев, 22.04.2013, Студио 1 на БНР
Folklore Music Orchestra at the Bulgarian National Radio, Cosmic Voices choir and folklore ensemble Trakia's choir with conductor Dimitar Hristov perform Festive Suite.
A concert honouring Stefan Mutafchiev's 70th anniversary, 22 April 2013, Studio 1 of the Bulgarian National Radio
One day, a programmer from ZeptoLab made a prototype version of Cut the Rope for Google Glass. Just for fun. We gave it to a bunch of people around the office. It resulted in this...
Avant la fin de la lumière,
Nous te prions, Dieu Créateur,
Pour que, fidèle à ta bonté,
Tu nous protèges, Tu nous gardes.
Que loin de nous s'enfuient les songes,
Et les angoisses de la nuit,
préserve-nous de l'ennemi :
Que Ton amour sans fin nous garde.
Exauce-nous, Dieu, notre Père,
Par Jésus-Christ, notre Seigneur,
Dans l'unité du Saint-Esprit,
Régnant sans fin dans tous les siècles.
---
To Thee before the close of day,
Creator of the world, we pray
That, with Thy wonted favour, Thou
Wouldst be our guard and keeper now.
From all ill dreams defend our sight,
From fears and terrors of the night;
Withhold from us our ghostly foe,
That spot of sin we may not know.
O Father, that we ask be done,
Through Jesus Christ, Thine only Son,
Who, with the Holy Ghost and Thee,
Doth live and reign eternally.
---
Te lucis ante términum,
rerum Creátor, póscimus,
ut pro tua cleméntia
sis præsul et custódia.
Procul recédant sómnia
et nóctium phantásmata;
hostémque nostrum cómprime,
ne polluántur córpora.
Præsta, Pater piíssime,
Patríque compar Unice,
cum Spíritu Paráclito
regnans per omne sǽculum.
Photo (c) Maciej Biłas
¡Esperamos que disfruten esta simpática versión de “Cinco Patitos”! ¡También canta y baila con Bebé Tiburón, Itsy Bitsy Araña y muchos de tus personajes favoritos! #littleangel #littleangelespañol
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¡Ve a tu canción favorita eligiendo en el título debajo!
00:04 Cinco Patitos
02:02 Bebé Tiburón Boom Chicka Boom
03:38 Bebé Rex
05:08 El niño y el dinosaurio
06:59 Señor Sol
09:34 Itsy Bitsy Surfista
11:26 Bebé Tiburón Navidad
14:08 Un elefante se balanceaba
16:00 La princesa tiene una varita
17:27 Tiburones contra Dinosaurios
19:10: Familia Dedo
Nuestras canciones para niños enseñan habilidades básicas y mejoran su habilidad para comprender y seguir instrucciones. Las canciones infantiles aceleran las capacidades fonéticas y mejoran la comprensión oral, de lectura y escritura.
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Nursery rhymes and kids songs, músicas para crianças, música infantil, canciones para niños, अंग्रेजी में बच्चों के गाने, детские песни для детей, comptines en espagnol, bata kanta sa ingles, lagu kanak-kanak Inggeris, lagu anak-anak dalam bahasa inggris, أغاني الأطفال باللغة الإنجليزية, 兒童歌曲英文.
Animations by: Valnet Inc.
Copyright 2018 Valnet
This week on Nature League, we're sharing some of our favorite outtakes from the last year!
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Nature League is a weekly edutainment channel that explores life on Earth and asks questions that inspire us to marvel at all things wild. Join host Brit Garner each week to learn about, connect to, and love the amazing living systems on Earth and the mechanics that drive them.
Viewers like you help make PBS (Thank you
Navatman Music Collective:
Shraddha Balasubramaniam
Roopa Mahadevan
Preetha Raghu
Bulgarian Voices Trio:
Valentina Kvasova
Shelley Thomas
Vlada Tomova
Excerpt from Women's Raga Massive: Out of the Woods festival
Hosted by Brooklyn Raga Massive at Jalopy
Video by Voislav Jankov
Official trailer for the new Kung Fu Panda game called "Showdown of Legendary Legends" !
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KUNG FU PANDA Showdown of Legendary Legends Trailer (PS4 / Xbox One)
Release date : March 2016 on PS4, PS3, Xbox One, Xbox 360, Wii U, Nintendo 3DS and Steam !
© 2015 - Bandai Namco
KUNG FU PANDA Showdown of Legendary Legends Trailer (PS4 / Xbox One). Subscribe now to GameNews to get the latest HD game trailer, gameplay teaser & cinematic video on Game News Official.
El Juego de Ender 1
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).
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=BgxhplxMJ
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:
Mechanical pencil: ArtistLeonardo Tutto3, with 0.3mm H lead, 0.5 HB and 0.7 mm B lead (Made possible by PRECO and KAWECO).
White pastel: Primo Bianco Charcoal 59-W
Color pencils: Prismacolor Premier
White oil pastel Faber-Castell
Kneaded eraser Prismacolor
MagicRub FaberCastell eraser
Grey cardboard paper (like those used for matting, when framing)
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
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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:
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My Instagram: http://instagram.com/artistleonardo
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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 Draw a Swarovski Crystal Horse
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).
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=TKMOpShyj
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:
Mechanical pencil with 0.7mm, B lead
Light grey cardboard paper
Color pencils: Prismacolor Premier
Kneaded eraser Prismacolor
MagicRub FaberCastell eraser
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
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 Google+ page as an artist (with my sculptures, paintings, etc): https://plus.google.com/+Artistleonardo/posts
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 How to Draw a Crystal Deer
On a mobile device? Click here: http://www.youtube.com/watch?v=X-QFAB0gEtE for the answer
Two 1.5kg masses are released simultaneously from the top of a 10m high wall. One is attached to a chain while the other is free. Which one will hit the ground first?
Physical purchase: http://www.brilliantclassics.c....om/articles/s/schube
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Composers: Franz Schubert
Artists: Martijn van den Hoek (piano), Folke Nauta (piano), Pieter van Winkel (piano)
This release contains a selection of solo piano works by Schubert. An Impromptu is such a piece, typical of the romantic era. Franz Schubert wrote eight of them. The second series of four was only published after his death. They are all available on this release. Martijn van den Hoek is the pianist. Also featured are the Moments Musicaux, performed by Folka Nauta, and 3 Klavierstücke (Impromptus aus dem Nachlass) played by Pieter van Winkel.
00:00:00 Impromptus: Impromptu in C Minor, Op. 90 No. 1: Allegro molto moderato
00:09:26 Impromptus: Impromptu in E-Flat Major, Op. 90 No. 2 : Allegro
00:13:44 Impromptus: Impromptu in G-Flat Major, Op. 90 No. 3: Andante
00:19:22 Impromptus: Impromptu in A-Flat Major, Op. 90 No. 4: Allegretto
00:27:20 Impromptus: Impromptu in F Minor, Op. 142 No. 1: Allegro moderato
00:40:08 Impromptus: Impromptu in A-Flat Major, Op. 142 No. 2: Allegretto
00:48:02 Impromptus: Impromptu in B-Flat Major, Op. 142 No. 3: Andante mit Variationen (Rosamunde)
00:59:39 Impromptus: Impromptu in F Minor, Op. 142 No. 4: Allegro vivace
01:06:21 Moments musicaux, D. 780: Moderato, in C Major
01:11:56 Moments musicaux, D. 780: Andantino, in A-Flat Major
01:18:09 Moments musicaux, D. 780: Allegretto moderato, in F Minor
01:20:17 Moments musicaux, D. 780: Moderato, in C-Sharp Minor
01:25:45 Moments musicaux, D. 780: Allegro vivace, in F Minor
01:28:02 Moments musicaux, D. 780: Allegretto, in A-Flat Major
01:36:32 3 Klavierstücke (Impromptus aus dem Nachlass), D. 946: Allegro molto, in E-Flat Minor
01:49:42 3 Klavierstücke (Impromptus aus dem Nachlass), D. 946: Allegretto, in E-Flat Major
02:00:38 3 Klavierstücke (Impromptus aus dem Nachlass), D. 946: Allegro, in C Major
