Featured in faqs
3 wild ideas for how to stop a tornado
To stop a tornado, you first have to know how it's formed.
How cold is space, and how hot is the sun?
We live in a universe of extremes.
How old is the universe? Our answer keeps getting better.
After thousands of years, we’re getting more consistent age estimates.
What makes gluten-free oats different from regular ones?
It’s a surprisingly complicated issue.
How to make sure your leech bite doesn’t kill you
You don’t know where that worm’s been … or where it will end up.
Can I have a pet fox?
A look into the messy world of fox breeding and exotic pets.
Why do snakes flick their tongues?
The answer is hidden in the air around them.
Declawing cats is harmful. Do this instead.
Research shows it’s bad for your cat—and for you.
What we know—and don’t know—about Brood X cicadas
They appear like clockwork, but they're still kind of mysterious.
How much water do you need to drink to stay healthy?
This isn't a peeing contest.