Researchers find obelisks, mysterious RNA molecules in human bacteria that challenge our understanding of viruses and ...

Probably in every elementary school classroom, there is a kid who shouts from time to time: "Look at what I can do with my tongue!" When we're kids, we're fascinated, thinking that rolling your tongue ...

You’re watching a suspenseful movie when suddenly the hairs on your arms stand up, your skin prickles with tiny bumps, and a shiver runs down your spine. Or maybe you’re standing outside on a chilly ...