Tiny sea creature's genes shed light on evolution of immunity

How a tiny marine invertebrate distinguishes its own cells from competitors' bears striking similarities to the human immune system, according to a new study led by University of Pittsburgh School of Medicine researchers.

Understanding friction, the unavoidable enemy

For machines with mechanical elements, friction is an unavoidable enemy. It is a major source of service failure and can reduce the lifespan of any machinery, from bicycles and cars to airplanes and assembly lines.

Using tiny sensors to monitor migrating monarchs

Millions of monarch butterflies migrate each fall to a specific cluster of mountain peaks in central Mexico. How exactly they navigate to their winter home, and the way they choose their path, is a topic of great interest ...

Without helpful microbes, tadpoles can't stand the heat

In a warming world, animals could live or die by what's in their gut. That's one conclusion of a new study by Pitt biologists showing that tadpoles are less able to cope with hot temperatures without the help of microbes. ...

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