Crash Course Big History #201: Why Cosmic Evolution Matters

Theoretical physicists say that space and time are one thing created by the Big Bang. According to them, nothing happened in the time before the Big Bang because time did not exist. The first Crash Course-Big History video in a 16-part...

Will advances in technology save us from exhausting the Earth's resources? Throughout history, progress helped us revolutionize society. The video discusses the growth in collective learning, exploration, machinery, communications,...

According to Carl Sagan, we are all made of star particles. The second video in a series of 16 explains what happened after the big bang. It discusses cosmic background radiation, chemistry, galaxies, heavy elements, and the creation of...

In the timeline of history, Stegosaurus and Tyrannosaurus rex lived further apart from each other than Tyrannosaurus rex and humans. The fifth Crash Course-Big History video in a series of 16 introduces the concept of evolution. It...

Does reality exist, or are we just a part of a larger virtual reality game someone is playing? A mind-bending video explains why we study cosmic history. It presents details about the start of the universe and more accurate predictions...

Imagine a world where the only animals roaming the earth are domesticated. One day, we might not have to imagine the scenario of no wild animals—and that day approaches faster than predicted. A video explains the evolution from...

Genetic variation makes for stronger species, but for a mammalian species, humans are disturbingly closely related. Help your class explore human ancestry and genealogy using the 15th video in a 16-part series. It describes how we became...

Is the progression of human complexity due to eating meat? The 14th video in a 16-part series attempts to answer this and other thought-provoking questions. It relates the process of human evolution and innovation to our ability to learn...

This video focuses on why human evolution matters including the impact of collective learning, natural selection, cultural evolution, adaptation, the ability of communication, and the use of brain power and its ability to build on prior...

Crash Course is a fast, funny, irreverent look at history beginning with the Big Bang Theory. In this episode, brothers John and Hank Green gives us their take on what makes Big History so darn important. [13:55]