Most people salute the flag by respectfully placing their right hand over their heart, but not everyone does this. That's because some people (1 in 10,000) are born with their heart on the wrong side.

A Japanese research team has successfully reproduced the human neural circuit in vitro using multi-region miniature organs ...

The cerebral cortex is the largest part of a mammal's brain, and by some measures the most important. In humans in particular, it's where most things happen-like perception, thinking, memory storage ...