Life's Little Mysteries: Science questions, answered
Latest about Life's Little Mysteries

Why do bats hang upside down to sleep?
By Charles Choi published
Bats often hang upside down when they sleep instead of sitting right side up or lying down — why?

What is the world's deadliest food?
By Kristina Killgrove published
Organisms from three different natural kingdoms battle it out for the title "deadliest food."

Why do we go 'weak in the knees'?
By Donavyn Coffey published
The saying "weak in the knees" may be figurative for many, but can it really happen to people?

Can you transplant an organ more than once?
By Victoria Atkinson published
"Recycling" an already transplanted organ could help save lives, but the procedure comes with additional risks, physicians say.

Is Earth the only planet in the solar system with plate tectonics?
By Skyler Ware published
Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?

Did people report seeing UFOs before the 20th century?
By Elana Spivack published
Are UFO sightings a 20th-century phenomena, or did people report seeing them earlier in history?

Do bay leaves actually add flavor, or is it all a con?
By Donavyn Coffey published
Some say bay leaves are full of flavor, others call them a fraud.

Which animal has the longest tail?
By Skyler Ware published
In terms of both absolute length and relative to body size, which living animal has the longest tail?
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