Look, the truth is, everyone has knowledge gaps. Some of them might be super niche. Others might be more general and embarrassing to admit to. But no matter how well-read and educated you are, there ...

No matter what scenario you use these in, they are sure to delight, incite curiosity, and enhance your day. If you can’t get enough of these wacky fun facts, we have a host of others that you can read ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The internet has recently fallen in love with South America’s ...

Robots are machines that can automatically perform both simple and complex actions. They are often programmed by a computer, but there's no single definition of a robot. Robots include a wide variety ...

Whether they work on climate change, evolution, vaccine safety, or any of a host of other issues, scientists frequently face resistance from people offering “alternative facts.” How did we come to ...

The flu is a contagious viral infection of the respiratory system that affects the nose, throat and lungs. It is caused by influenza viruses. Symptoms of mild flu infections can resemble those of the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these ...