What river in the Underworld could erase all memories if one drank from it?

Lethe

Who was Experiment 626 better known as? What animal sleeps the least, averaging only 1 to 2 hours a day Who is the only NFL player to score touchdowns of over 99 yards rushing, receiving, and on kick returns in a career? Who was the first overall pick in the 2004 NFL draft? What baseball player was known as the 'Iron Horse'?