Are you a twin? No, well are you sure? You could be a twin, but the twin is within, or a chimera.
Can spending enough time under a very bright moon get you tan?
The same compounds that make people cry when slicing into an onion may also make them a healthy choice.
Humans ingest food through their mouth, but some microorganisms work very differently.
Some sources have claimed that 90% of our cells are non‑human. But is that truly accurate? Cal Tech believes that estimate might be way off.
Scientists discover the switch that turns on the aging process.
Mistletoe lacks genes found in all other plants and animals.
We dream of powdery white snow, but snow actually comes in multi-colored varieties.
Turtles have discovered the fountain of youth: telomerase.
When frozen in water, fish remain in a state of suspended animation until spring melts the ice away.