Mr. Smarty Pants Knows

Liz Taylor's mansion was guarded by Israeli security guards. She endured more than 100 operations during her lifetime.

Meryl Streep and Nora Ephron were among those in the audience watching the Beatles on The Ed Sullivan Show.

Fredric Baur invented the Pringles can in 1966. He was so proud of his it that when he died in 2008 at age 89, he wanted to be cremated and have his remains put in a Pringles can. On their way to the funeral home, his family picked up a can at a Walgreens. It was original flavor.

"Children at Play" signs don't work to slow down drivers, according to the National Cooperative Highway Research Program.

At his clinic in Moscow, Dr. Vyacheslav Davidov treats alcoholics with a capsule nicknamed "the torpedo." The doctor inserts the capsule under the skin in his patients' butts. It contains disulfiram and causes people to have severe abdominal pain if they ingest alcohol.