Escape: Because Accidents Happen-Fire

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...

What happens when fire is less affected by gravity? Observe the behavior of fire in a fantastic freefall experiment! A video from the an engaging physics playlist explains the relationship between a flame's shape, buoyancy force, and...

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...

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...

Did you know that fire ant colonies are seen as small mounds on the surface of Earth but underground, tunnels can extend as far as 25 feet away? Viewers learn about the unique history of fire ants, from the pain of their sting to their...

Dimetrodon is generally featured in children's books about dinosaurs even though it wasn't a reptile and lived in an earlier era than dinosaurs. The way life developed wasn't as smooth as many people think. The video focuses on the...

Scientists discovered the first law of thermodynamics 25 years after the second law of thermodynamics. The seemingly obvious discoveries sometimes confuse scientists while more complex challenges encourage extra study—and take more time...

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...

What would the world look like if we could control the weather? Historically, countries have attempted to do just that, but their intentions were not always good! The 39th lesson in a History of Science series describes science projects...

Magnetic cereal? Bendable water? Young scientists study five physics phenomena by watching a video from the Veritasium playlist. The narrator accompanies each demonstration with descriptions of what is happening—or appears to be happening.