Our exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that instinct and reason come together to point us to the natural law. There are, of course, objections to this theory – in particular, the is-ought problem advanced by David Hume.


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So, if economics is about choices and how we use our resources, econ probably has a lot to say about the environment, right? Right! In simple terms, pollution is just a market failure. The market is producing more pollution than society wants. This week, Adriene and Jacob focus on the environment, and how economics can be used to control and reduce pollution and emissions. You'll learn about supply and demand, incentives, and how government intervention influences the environment.

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In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John talks about water in the context of classical civilizations, but not like Greece or Rome or something. We're talking about the Maya civilization in Central America, and the Khmer civilization in what is now Cambodia. So this is an awesome video, OK?

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Citation 1: Steven J. Mithen - Sue Mithen, Thirst: Water and Power in the Ancient World. Harvard University Press. 2012. p 235
Citation 2: Patrice Bonnafoux, cited in Mithen. p243
Citation 3: Mithen. p 296

Starting February 22nd, Carrie Anne Philbin will be hosting Crash Course Computer Science! In this series, we're going to trace the origins of our modern computers, take a closer look at the ideas that gave us our current hardware and software, discuss how and why our smart devices just keep getting smarter, and even look towards the future! Computers fill a crucial role in the function of our society, and it's our hope that over the course of this series you will gain a better understanding of how far computers have taken us and how far they may carry us into the future.

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

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In which John Green teaches you the history of Christianity, from the beginnings of Judaism and the development of monotheism, right up to Paul and how Christianity stormed the Roman Empire in just a few hundred years. Along the way, John will cover Abram/Abraham, the Covenant, the Roman Occupation of Judea, and the birth, life, death and legacy of Jesus of Nazareth. No flame wars! Let's keep the commentary civil.

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Today we're going to start our two-part unit on data visualization. Up to this point we've discussed raw data - which are just numbers - but usually it's much more useful to represent this information with charts and graphs. There are two types of data we encounter, categorical and quantitative data, and they likewise require different types of visualizations. Today we'll focus on bar charts, pie charts, pictographs, and histograms and show you what they can and cannot tell us about their underlying data as well as some of the ways they can be misused to misinform.

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Get ready for hilarity, because this week, we're diving head first into Greek Comedy. Actually, though, maybe don't get TOO ready for hilarity. Taste in humor has changed a little over the last couple of thousand years. You already know about Greek Tragedies, with their hamartia and catharsis and whatnot. Today we're going to look at how Greek comedy evolved out of those tragedies, first as Satyr plays, and later as full-blown comedies. So come along. There are a few laughs involved, I promise.

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Historians love to debate each other. So some of them pointed out that the first half of this revolution looks a lot different from the second. Let's chat about industry, cars, and Henry Ford.

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This week on Crash Course Mythology, we're getting urban. Mike Rugnetta is the man with the orange umbrella who's about to give you a free tour of mythical cities. We'll talk about a few cities that didn't exist, but we're going to focus on real cities with mythical founding stories. We'll talk about Jericho, Jerusalem, and Rome, among others.

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Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

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Today we’re talking about how we actually DO sociology. Nicole explains the research method: form a question and a hypothesis, collect data, and analyze that data to contribute to our theories about society.

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Mini aventuras de Winnie the Pooh - La expedición
¿Listo para escuchar una historia ? Viaja al bosque de los Cien Acres, para vivir otra divertida aventura junto a Winnie the Pooh y sus amigos! Las Mini aventuras de Winnie the Pooh, en Disney Junior!

Sitio Oficial: http://www.disneylatino.com/disneyjunior/

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Esta canción de la maravillosa película de Disney, La Sirenita, ¡te encantará!

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Vampirina y Poppy desafían a Dragos "el mejor bailarín de Transilvania": quien haga los mejores pasos de baile, ganará y el que pierda, no deberá volver a bailar... ¡jamás!

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Nina está muy apurada, ya no puede aguantar. ¿Quién la podrá ayudar?
Una serie para acompañar a los chicos en su crecimiento.
¡Nina tiene que ir! En Disney Junior.

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Descubre La Bella y la Bestia, la historia de Bella, una joven lectora que sueña con vivir aventuras como las que lee en sus libros y siempre ve más allá de las apariencias. Cuando Bella encuentra a su padre prisionero y enfermo en el castillo encantado de una horrible Bestia, se ofrece a tomar su lugar. Con compasión y amabilidad, Bella le enseña a la Bestia a descubrir su belleza interior y a amar a otra persona, ayudándolo a romper el hechizo antes de que caiga el último pétalo de una rosa encantada.



#SoyPrincesaSiendoYo
#DescubriendoLaBellaylaBestia

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Mini aventuras de Winnie the Pooh - Cacería de elefantes
¿Listo para escuchar una historia ? Viaja al bosque de los Cien Acres, para vivir otra divertida aventura junto a Winnie the Pooh y sus amigos! Las Mini aventuras de Winnie the Pooh, en Disney Junior!

Sitio Oficial: http://www.disneylatino.com/disneyjunior/

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Hasta la fuente más fuerte de electricidad puede quedarse... ¡sin energía! El Hombre Araña y Miss Marvel trabajan en equipo para atrapar al villano Electro. ¡Los más grandes héroes Marvel están en Disney Junior!

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Descubre Blanca Nieves y los 7 enanos, la historia de una hermosa y optimista princesa llamada Blanca Nieves que es querida por todos menos por La Reina, su celosa madrastra. Para salvar su vida huye al bosque y con la ayuda de los animalitos y siete adorables enanos logra cambiar su destino para siempre.
#SoyPrincesaSiendoYo
#DescubriendoBlancaNieves


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