› added 1 week ago

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TIL that the remains at the archaeological site of the oldest known wooden-built structure (think log cabin style) are thought to be from 476,000 years ago. Kalambo Structure, Kalambo Falls, Lake Tanganyika, southeast Africa.

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rRyGx TIL Polar Bears’ fur is not white, but transparent. The long, coarse outer hairs are transparent and hollow. The thinner undercoat hairs aren’t hollow, but are still colorless. The hair appears white due the air spaces in each hair scattering light of all colors.
J1Mlj TIL: Frank Buckles, the last surviving U.S. WW I veteran, died in 2011. He was 110. At 16, he lied about his age and enlisted in 1917. Later, when WW II began, he was working for a company in Manilla. Japan invaded the Philippines in 1941 and Buckles was captured and imprisoned for over 3 years.
neeB TIL Keanu Reeves has lived a terribly depressing life…
9Yv46 TIL Teeth blackening, a custom of dyeing one's teeth black, is usually done during puberty. It was primarily done to preserve the teeth into old age, as it prevents tooth decay similar to the mechanism of modern dental sealants. It was seen as a sign of maturity, beauty, and of civilization.
VBk6G TIL: Cher Ami Was a WWI Hero & Also a Pigeon