Craig Ferguson danced with glee over stocks rebounding yesterday, but didn't forget to get in a dig at Amy Winehouse too. Jimmy Fallon, on the other hand, talked biology:
"Researchers in Sweden have discovered monkeys are capable of premeditation after a chimp at a zoo stored up rocks to throw at spectators. The researchers also discovered that monkeys really hate zoos."
More from Jay Leno on Chuck Norris and Jimmy Kimmel on Octomom below.
For the best jokes from Monday, click here.