Latest about Life's Little Mysteries
Can you transplant an organ more than once?
"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?
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?
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?
Some say bay leaves are full of flavor, others call them a fraud.
Which animal has the longest tail?
In terms of both absolute length and relative to body size, which living animal has the longest tail?
What temperature is the moon?
An astronomer describes how the moon's surface temperature changes.
How do DNA tests tell if two people are related?
How can DNA from a cheek swab determine if someone is closely related to you?
Are cats and dogs smarter than babies?
It's possible to compare some aspects of animal and human intelligence, but not all researchers like to.
