Wednesday, February 12, 2014 at 10:21 AM

Chain of beating hearts

There's a chain of beating hearts connecting back in time from you to a fish that crawled onto land, one of your many ancestors.


Last built: Tue, Mar 3, 2015 at 6:32 PM

By Dave Winer, Wednesday, February 12, 2014 at 10:21 AM. Don't slam the door on the way out.