Exploring the Universe: Crash Course Big History #2

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,...

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...

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...

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...

Carbon makes all life on Earth possible, not to mention most technology and progress. The 12th video in a 16-part series explains the significance of being made of star stuff. From the formation of chemical elements to the rise in...

What happens when the earth reaches its carrying capacity of humans? As human populations grow, societies change from hunters and gatherers to agriculture to the industrial age and beyond. A video takes a global perspective of migration...

A thought-provoking video discusses the end of humanity with multiple possible causes. It also describes the end of the universe. A hopeful message seems unlikely, but the video offers perspective to make you appreciate our special place...

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...

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...