Latest about Life's Little Mysteries
Which animals are evolving fastest?
The "fastest evolving vertebrate" title is hotly contested, but here are a few contenders.
Why do we forget things we were just thinking about?
When the brain "juggles" information, things can fall through the cracks.
How did people clean themselves before soap was invented?
Soap has a pretty simple formula and a long history.
How fast does evolution happen?
Measuring the pace of evolution is tricky, but some species can evolve as quickly as a few generations.
When was the last time Antarctica was ice-free?
Antarctica is covered by a miles-thick ice sheet, but was that always the case? And when was the coldest continent ice-free?
Why doesn't stainless steel rust?
The special chemistry of this shiny iron alloy creates a protective layer on its surface that prevents it from rusting.
Are people more honest when they're drunk?
Drinking can change the brain in a way that makes people more likely to speak their mind, but the effects aren't always straightforward.
What happens to meat as it's cooked?
Heat triggers a series of complex chemical reactions that change the color, flavor and texture of meat.
