Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The first guy to win Who Wants To Be A Millionaire (USA) used none of his lifelines until the final question, where he called his dad. During the call, he told his dad he didn't need any help on the final question, but he just wanted to let him know that he was about to win $1,000,000.
29
The Beatles wrote into their contracts for American concerts that they would not play in front of segregated audiences.
24
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4