What if our hands had 6 fingers?
Friday, May 11, 2012 - 15:30
in Biology & Nature
As incredible as our hands are, there's no telling whether they are just right, or merely good enough. Evolutionary biologists don't quite know why humans, and the vast majority of four-limbed earthlings, have five digits per limb. Would life be much better or worse if our hands had evolved with six fingers instead?