Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In Ice Age, the drawings of characters during the end credit roll - and Sid's drawing of himself on a wall - were all done by the children of the animators.
17
There's a café in France which charges €7 for a coffee to rude customers and €1.40 to people who talk politely to staff.
17
Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
10
There is a fruit called The Miracle Berry that, when eaten, causes sour foods to taste sweet, and has been used to treat diabetes, among other things.
13
In 1916, a US amendment was proposed to put all acts of war to a national vote. If you voted yes you would have to register as a volunteer for service in the United States Army.
5