First theorized in 1938, heat's wave-like flow through superfluids, known as "second sound", has proven difficult to directly observe. Now, a new technique has finally done it, and could be used to ...

"We were able to use these patterns to control the movement of objects as small as a grain of rice." Scientists develop ...

It's difficult to overstate just how surprisingly early to the party this water may have been. “This suggests that water, the ...

Open water swimming can be strangely claustrophobic. Immerse your face in cloudy water and your view might dwindle to a few ...