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.

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...

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...

The Big Bang just got bigger! Learners explore the early universe in a short, animated video. The narrator guides viewers through the revelation that photons polarized by masses of plasma travel through space to bring us a...

Don't keep your physics class in the dark about night—introduce them to the concept with a short animated video! The narrator discusses how the Big Bang set our universe into an ever-expanding motion where the stars we observe now appear...

Take a ride through time as you learn about the status of the past, present, and future from a physics perspective. The video instructor explains the Big Bang Theory through the equilibrium of time. Learners connect the Second Law of...

How is the Earth like an onion? In this video from PBS Digital Studios, viewers first learn the different layers of Earth and their properties. In addition, they hear how these layers came about, starting with the Big Bang theory and the...

How can a bodily function be contagious? It is a question scientists and psychologists are still grappling with, but some of the leading hypotheses are presented here in the case of the contagious yawn. Most likely, it is something we...

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...