Helium's atomic number is 2 and its atomic weight is 4.002602. Its boiling and melting points— -452.1°F and -458.0°F, respectively—are the lowest among the elements. It is the second most abundant ...

Gibbons effortlessly use the same techniques as professional opera singers when calling out to other animals, scientists found by listening to the squeaky songs of one of the apes on helium. The ...

Your birthday party isn’t complete without the helium-induced squeak, but what does physics say? Discover how people think it works, how it really works, and many, many ways to get hurt while ...

It’s now well-established that bats can develop a mental picture of their environment using echolocation. But we’re still figuring out what that means—how bats take the echoes of their own ...

In case you wondered what they're talking about, Bård (the man in the middle) says that his brother's jokes are falling flat and he needs some help. Vegard then tells this joke and then again on ...

Submarines are pretty cool bits of kit. They can offer researchers an unrivaled view of the ocean floor, help search out missing wrecks beneath the waves and can even ferry about the rich and famous, ...

Karen Hopkin: Bats rely on echolocation to navigate the night skies and to chase down and capture even erratically moving prey. But even more impressive than their aerial acrobatics are the mental ...