Researchers from 17 labs report low efficacy rates for the popular technique.

Genetic adaptations for human brain development also make us vulnerable to Alzheimer’s disease, according to a new study.  

Moderate ultraviolet light exposure boosts the brainpower of mice thanks to increased production of the neurotransmitter glutamate.  

A study finds two species of guenon monkeys in Tanzania have been mating and producing fertile offspring for generations.

Humans living in higher latitudes tend to have a variant of a gene involved in sensing cold temperatures, but it comes with a cost.  

The extracellular matrix appears to inhibit regeneration; but scientists debate whether heart muscle really comes back.