Leap Seconds...

Check this story out. Turns out there are some things we don't know about time. It seems that the time we keep isn't really exact and every few years or so we have to add a leap second. Did anyone know this? Well now the U.S. wants to get rid of leap seconds.

http://www.post-gazette.com/pg/05210/545823.stm

Interesting story with a lot I didn't know about time.