Originally published on Fri November 16, 2012 3:02 pm
The impulses to collect and to doodle have always been in Ron Coddington's blood. As a kid, it was baseball cards. As a teen, he took an interest in old flea market photos — and simultaneously became "obsessed," he says, "with learning to draw the human face."
This is SCIENCE FRIDAY, I'm Ira Flatow. Turn on reality TV, and it may not be long before you ask yourself: Are we getting dumber? A new study may have some genetic answers to that question. Provocative research published this week in the journal Trends in Genetics suggests that human intelligence may have peaked thousands of years ago.