I think it's something in the water.. Male fish in the Potomac River have begun to bear eggs. Looks like it's some sort of pollution in the water spreading downstream from West Virginia. full story linked to cnn.com

Yeah, maybe it wasn't such a good idea. How NOT to tow a boat. Mental note- leave the helicopter at home.

The Real da Vinci Code- da Vinci was a Renaissance roboticist! A new look at some of his sketches reveal that, mayhaps, he had built and designed automatons. Amazing.

With arm wrestling, Internet gets physical. In the Internet Arm Wrestling Challenge, visitors to science museums in New York, Anchorage, Des Moines, Bethlehem, Pa., and San Jose, Calif., are paired off over the Internet. One feature of the system is that it allows two people to arm wrestle even if one is right-handed and the other left-handed. Nifty. The link takes you to the whole story.