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TIL: In Australia there are 'Firehawks', which are birds that intentionally set forest fires as a hunting technique

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woPb1 TIL 70 percent of human genes are found in zebrafish, which is one of the reasons why they are excellent for modeling human diseases such as Duchenne muscular dystrophy and melanoma. They are also used to study gene mutations and test new drugs.
xeRD TIL there is nothing inherently technical or necessary in a microwave popcorn bag. You can make microwave popcorn in a brown paper bag with normal kernels.
7XJx TIL The biggest squid ever caught weighed an estimated 990 pounds and about 39 feet long. If calamari rings were made from the squid they would be the size of tractor tires
DQnOj TIL Jerry Springer was born in a London underground station to German-Jewish parents in 1944, when the tube was being used as a World War II bomb shelter.
KYjZG TIL John Young is the only astronaut to walk on the Moon and fly the Space Shuttle. He also flew in the Gemini and Apollo programs, commanded the first Space Shuttle flight, and participated in the Spacelab program. He left NASA after criticizing its safety following the Challenger disaster.