Add Yahoo as a preferred source to see more of our stories on Google. Fingerprints are those little ridges on the tips of your fingers. They’re essentially folds of the outer layer of skin, the ...

Fingerprints are the unique pattern of curves and ridges indented into the skin of a person’s fingertips. Most people have completely unique fingerprints, which can help with identification. Even in ...

Now that they're in smartphones, fingerprint scanners seem to be everywhere, but what's really going on behind the scenes when they're scanned?