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TIL that volcanoes generate ~200 million tons of CO2 emissions annually while human activities generate ~24 billion tons of CO2 emissions.

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aw6kN TIL the author of Jaws became an avid shark conservationist and would recast the shark as the victim if he had to it over.
bDXZ TIL English words for livestock (cow, sheep, chicken) are Germanic-based and the words for meats (beef, mutton, poultry) are French-based. This is because the people who raised the animals were Anglo-Saxon peasants and the people who ate them were Norman aristocrats.
e1Vk TIL that 25% of US Presidents were raised without a father.
8a9MZ TIL The Blue Hole is a 120-metre-deep sinkhole, five miles north of Dahab, Egypt. Its nickname is the “divers’ cemetery”. Divers in Dahab say 200 died in recent years. Many of those who died were attempting to swim under the arch. This challenge is to scuba divers what Kilimanjaro is to hikers.
v1wXj TIL of the ‘Mass-Observation Diarists’ who were hundreds of volunteers in the U.K. during WWII who made regular diary entries. They wrote about the intimate details of their lives as well as their thoughts and feelings about the world around them. The result was an intimate portrait of British life.