No Changeups on the Savannah

A great article that I wanted to share.  Here is a clip:

During the several-million-year journey our ancestors made from climbing trees to living their lives primarily on the ground, they evolved two traits that would ensure that our species thrive: upright posture and the ability to hurl a 100-mile-per-hour fastball.

Click on the link below to get the entire story!

No Changeups on the Savannah