Dentures were once routinely made out of actual human or animal teeth.
Deserts cover around one third of the planet’s land area, with the Saraha seeing about 1 inch of rain per year whilst some parts of the Atacama Desert have seen no rainfall at all for 400 years.
This year is the 85th anniversary of Rudolph the Red-Nosed Reindeer which was created in 1939, written as a poem by Robert May for a Christmas promotion by Montgomery Ward department stores in Chicago, and was first set to music in 1947, becoming a hit song 75 years ago, in 1949.