Today, October 23, is Mole Day -- the unofficial holiday when we celebrate Amedeo Avogadro and his contributions to molecular theory. In 1811, Avogadro hypothesized that given two volumetrically ...

The star-nosed mole has a rose-colored ring of fleshy, retractable tentacles surrounding its nose. This nasal disc is bilaterally symmetrical with 11 projections on each side. Equally distinct is the ...

Moles and skin tags are skin growths that appear for different reasons. While both are usually harmless, one carries a higher risk for cancer than the other. Read on to find out what moles and skin ...