Latest about Life's Little Mysteries
When did humans start wearing clothes?
Clothes don't survive the way artifacts made of stone, bone and other hard materials do, so scientists have to get creative to answer this question.
Why does cotton shrink?
The science of ruining your favorite shirt is more complicated than you might think.
Have giant humans ever existed?
Some humans have always stood head and shoulders above their peers, but there's nothing mythological about these real-life human giants.
If birds are dinosaurs, why aren't they cold-blooded?
If dinosaurs were reptiles, then why aren't birds cold blooded?
Does gum really take 7 years to digest?
Gum is full of non-food items, like resins, emulsifiers and softeners. So what happens when we swallow a piece?
Have days on Earth always been 24 hours?
Earth's day used to be five hours shorter, and it's predicted to continue lengthening over time.
Why does the sun make people sneeze?
People who sneeze in bright lights, like the sun, may have autosomal dominant compelling helio-ophthalmic outburst syndrome, or ACHOO.
How do people 'wake up' from comas?
People can stay in comas for weeks, months or even years. But what causes some of these patients to "wake up"?
