New research carried out in nine cities around the world shows that the thumbs of people under the age of 25 have taken over as the hand's most dexterous digit, said The Observer.The change affects those who have grown up with hand-held devices where the thumbs are used for keying in text messages and emails.

Stuff like that is just cool/interesting ya know? I like to ponder how humans will evolve over the coming years/centuries. I bet we get sexier.