Be Smart
Why Your Grandma Is an Evolutionary Mystery
This is one of the weirdest mysteries of human evolution: Why do we have grandmas?
Latest in
Be Smart
Sponsorship
Be Smart
The Weird Science That Lets Insects Fly in the RainThe Weird Science That Lets Insects Fly in the Rain
Insects and birds have an awesome superpower that repels water and keeps them airborne in the rain.
Be Smart
What Synesthesia Feels Like
Why do some people taste music or hear colors? Let’s talk about synesthesia.
Be Smart
Why Useless Knowledge Can Be So Useful
How a chemical in lizard spit inspired one of the most important medical advancements.
Be Smart
How Scientists Cracked the Secret To Making Diamonds
These diamond makers create one of the most amazing materials on Earth — from dead people.