The Big "Why"

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...

According to Space Time, many different studies prove the Big Bang happened. Part of a larger Cosmology playlist, it discusses the common arguments against and the newest science supporting the theory.

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...

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...

A video highlights the contradictions in the Big Bang Theory and then discusses the need for a unifying theory of everything. Space Time presents an enlightening video as part of a larger series on Cosmology.

How can something as vast as the universe also be flat? Go beyond the Big Bang Theory using a video from an expansive physics playlist. Topics include the expansion and inflation of the universe, why opposite sides of the universe are...

Find out why the moon changes with a captivating video that details the lunar cycle through engaging narration and graphics.

Heart of gold, gold mine, good as gold, gold digger. Why is gold so fascinating and such a focus of popular expression? Is it due to rarity, its shine, or some other factor? Here's a video that focuses on how gold is made and provides...

Is gluten-free just a fad? What is gluten anyway, and why can't some of us process it? This is the perfect video to break down the anatomy of gluten and the various diseases and symptoms caused by the notorious protein, as well as to...

There are millions of plant and animal species on the planet, but why do we need so many? Follow along with this short video as it explains how biodiversity helps strengthen ecosystems, allowing them to adapt to change so that life...