Working out is great for health, but not for weight loss. Senior health correspondent Julia Belluz read more than 60 studies to find out why.
Adam Savage Blown Away by Neil deGrasse Tyson's Aerogel. Aerogel is a synthetic porous ultralight material derived from a gel, in which the liquid component for the gel has been replaced with a gas. The result is a solid with extremely low density and low thermal conductivity.
A boomerang can execute its unique roundtrip flight by making use of three fundamental physics principles: lift, relative velocity, and gyroscopic precession.
110 years ago Albert Einstein published a theory that revolutionized the way we think about the universe. In this video you will be shown how to prove its two postulates using easy-to-understand real-world experiments, and how even the simplest understanding of quantum mechanics can be used to wrap your mind around why time must slow down the faster an object moves.
