18/04/2017

Could space travelers melt as they accelerate through deep space?

Forty years ago, Canadian physicist Bill Unruh made a surprising prediction regarding quantum field theory. Known as the Unruh effect, his theory predicted that an accelerating observer would be bathed in blackbody radiation, ...

Why it's so offensive when we call people animals

Comparing humans to animals is vexed but irresistible. We are animals, but animals who like to believe we are not merely animals. When we do liken people to other creatures – when sports fans use racial slurs or Donald ...

Why can't cats resist thinking inside the box?

Twitter's been on fire with people amazed by cats that seem compelled to park themselves in squares of tape marked out on the floor. These felines appear powerless to resist the call of the #CatSquare.

The giant sloth megatherium was a vegetarian

Together with an international team, Senckenberg scientists examined the diet of the extinct Giant Sloth Megatherium. Based on analyses of the collagen in the fossil bones, the researchers concluded in their study, which ...

Why don't fish freeze to death in icy water?

In the microgravity experiments at the International Space Station (ISS), scientists revealed that supercooled water containing antifreeze glycoproteins accelerates and oscillates its ice crystal growth rate. This seemingly ...

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