Bats, bears and some birds do it, but humans can’t: hibernation. Animals hibernate to save energy through long cold winters. Sounds appealing, doesn't it? NASA wants to know if human hibernation is possible. Why? Because it because it would make the trip to Mars a hell of a lot less boring.
I’m sure you know the idea: everyone on Earth is connected to every other person by six or fewer links. The idea was first proposed in 1929, but is six still the correct number of links in today’s connected world?
Have you ever had a hug from a stranger? How did it make you feel: warm, happy, comforted? Feeling connected to other people, especially through touch, has been shown to protect us from illness. Something as simple as a pat on the back or a supportive touch on the arm can induce trust and reduce pain and stress. Although often disregarded, touch has a profound influence on how we feel and can communicate complex emotions without words.
It’s late, you’re exhausted, and you’re craving chips. Most of us have experienced midnight munchies, but what makes fatty, salty and sweet foods particularly appealing at night?
I remember being told in primary school that no one else on the planet had exactly the same fingerprints as me. Pretty powerful stuff for a seven year old. Patterns that were uniquely mine and that I’d never really looked at before, despite the fact they had been part of me since before I was born. But is it true? Are each of your fingerprints truly one of a kind?