Life's Little Mysteries

Human poop is a great fertilizer for farmers.

Modern birds can trace their origins to theropods, a branch of mostly meat-eaters on the dinosaur family tree.

They’re not a cache of Easter eggs.

Noncommunicable diseases cannot pass between people — or can they?

Evidence suggests that modern humans may be cooler than our 19th-century ancestors.

Depending on the organ, the time can range from a few hours to a day and a half.

Static electricity is so common that it's easy to forget how weird it is.

Where do personalities come from, and why are they so different?

How big can lightning get: Two miles long? Twenty? Fifty? Think again.

The delicious scent of baking bread wafting out from the open doors of a nearby bakery can act like a time portal.

Is there a purpose to these repeated "hics"?

Childhood leukemias may exploit specific vulnerabilities found only in immature cells.

The promise of learning to read significantly faster is intriguing. But true speed reading isn't supported by the science.

The idea of eating roadkill may be foreign to some, but with proper precautions it can provide a safe and sustainable source of meat.

A flat Earth would inhabit an entirely different physical reality than the one we know.

High cholesterol, cancer and a shorter life span would all be very real risks.

When is a moon not a moon — and does it matter?

Up to 90% of people are right-handed. Scientists are still trying to figure out why lefties have always been in the minority.