Did you know that there are ten quintillion—or 10,000,000,000,000,000,000—individual insects on the planet? That means that ...

Why ask, "Why did the chicken cross the road?" when you can instead consider, "Why did the road cross the land?" ...

As highways have become almost ubiquitous in the US, motorists travel faster and farther—resulting in more traffic.

What exactly is … everything? What is space-time? At one extreme, you’ve got the weird rules of quantum physics that deal with subatomic particles. At the other extreme, you’ve got the vast expanses ...

Blood pressure categories are based on patients who are sitting in a certain position. But not every doctor’s office takes readings that way. This website uses cookies to improve your experience while ...

Daniel Baker is a PhD student in Immunology at the University of Pennsylvania in Philadelphia, Pennsylvania. This website uses cookies to improve your experience while you navigate through the website ...

Jack Murtagh is a math writer and columnist for Scientific American. He’s based in Jersey City, New Jersey. This website uses cookies to improve your experience while you navigate through the website.

Give a dollar for every Friday! Thank you for helping us continue making science fun for everyone. This website uses cookies to improve your experience while you navigate through the website. Out of ...

Megan Kimble is a journalist and the author of City Limits: Infrastructure, Inequality, And The Future Of America’s Highways. She’s based in Austin, Texas. This website uses cookies to improve your ...

Sy Montgomery is the author of What the Chicken Knows: A New Appreciation of the World’s Most Familiar Bird. She’s based in Hancock, New Hampshire. This website uses cookies to improve your experience ...