Using these stem cells, researchers have already managed to create structures that mimic the first developmental stages of real human embryos. At the same time, new research has opened up the ...

Humanity has been hunting for sex-based differences in the brain since at least the time of the ancient Greeks, and it has ...

A real-life example of a blind climber who uses his tongue to see is shown. Human circulation. video Human circulation This short film takes us on a journey around the circulatory system using the ...