Latest about Life's Little Mysteries
Why do avocados turn brown so quickly — and are they OK to eat at that point?
Why do avocados turn brown in a flash? The answer is in the air.
Who discovered America?
Christopher Columbus was far from the first person, and not even the first European, to reach the Americas.
How long does DNA last?
The world's oldest DNA comes from a 2.4 million-year-old ecosystem in Greenland. Will scientists eventually sequence even older DNA?
Do figs really have dead wasps in them?
Does every fig you eat really have a dead wasp inside?
Why does medicine taste bad?
Medicines help us recover from illness, but sometimes they taste gross. Why is that?
What's the hottest temperature the human body can endure?
Researchers believe there's an upper limit to the temperature the human body can withstand — but many people could face deadly health problems before reaching that threshold.
What happened to the asteroid that killed the dinosaurs?
A killer asteroid slammed into Earth at 27,000 mph around 66 million years ago. Where is it now?
Did ancient Egyptians really booby-trap the pyramids?
The ancient Egyptians didn't want tomb robbers to pilfer treasures in the pyramids, so how did they stop thieves?
