Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And ...

You might celebrate one birthday each year, but inside your body, different organs are marching to their own biological drums. That number on your driver’s license? It’s just a rough average that ...

Cold does not feel the same on your fingertips as it does deep in your chest, and new research shows that this is not just a matter of intensity or imagination. Scientists have now identified two ...