« Chicks dig "old man" smell??? | Gene Expression Front Page | A atheism »
April 03, 2004

Great Leap(s)

Well, looks like symbolic thinking might be an "innovation" whose time-scale has to be pushed back (via Abiola). As I've noted before, One Great Leap ~45,000 years ago is seductive, partially because it allows multiple disciplines to focus on one time period (ie; One Leap -> One Leap Function -> One Leap Gene), but we should be cautious....

Update: Seems like the "language gene" might play a role in bird-songs! I guess nature doesn't reinvent the wheel, just retro-fits it now & then....

Posted by razib at 10:22 AM