We do it every night, but science still isn't sure exactly why we sleep.
According to new research, stress can profoundly affect the way our brains interpret olfactory signals.
On this A Moment Of Science, we'll teach you a simple trick that reveals how much interpretation goes into perception.
Could the dying brains of rats shed light on human near death experiences?
Our presence could be causing the brains of non-human animals to grow.
Birds not only sing in their sleep, but they also dream in song.
ATTENTION Night Owls! Losing sleep takes a serious toll on your health and safety.
Sorry BUGS, your brain isn't equipped for REM sleep, or any sleep for that matter.
Scientists believe human brain development is the result of genetic mutations that occurred millions of years ago.