But when in doubt, always contact a dermatologist. A stands for asymmetry, when one half of the mole doesn't match the other.

D uring the past 30 years, I’ve had many chances to study and photograph all sorts of critters – from tiny shrews to the massive moose. But there are a few critters that I still ...

Celebrated annually on October 23 from 6:02 a.m. to 6:02 p.m., Mole Day commemorates "Avogadro's Number": 6.02 x 10 23. This number--called a mole--is a basic measuring unit in chemistry. Mole Day ...

The gram formula mass (GFM) of a substance is known as the mass of one mole. Relative atomic masses of selected elements can be found in the SQA Data Booklet.These can be used to calculate the ...

and Damarland mole-rats further south – almost on opposite sides of the continent. They live in social groups with one breeding female, the queen, who is at the top of the hierarchy, and ...