One bacterium brings on the T cells

How exactly do the countless microbes that call our bodies "home" help us to maintain healthy immune systems?

Helping horses come to term

It is not only humans that sometimes experience difficulty having children. Horses too have a low birth rate, with many pregnancies failing within the first few weeks after conception. The reason is currently unknown but ...

Researchers Unlock the Secrets of Gene Regulatory Networks

A quartet of studies by researchers at the California Institute of Technology (Caltech) highlight a special feature on gene regulatory networks recently published in the Proceedings of the National Academy of Sciences (PNAS).