› added 5 years ago

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Today I learned about the death spiral. It's when two eagles soar up to high altitude, lock talons, and tumble and cartwheel toward Earth They let go before reaching the ground, it is part of a mating ritual

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0dNo1 TIL When the printing press made its debut in Europe in the 15th century, thousands of old texts were 'recycled' for use as binding material for newer books. In 2015, researchers at Leiden University started using an x-ray technique to reveal these texts. Some are up to 1,300 years old.
o8GW TIL that in 2014 Sony made a cassette tape that could hold 185 terabytes of data or the equivalent of 3,700 Blu-ray discs.
X0OOD TIL : Xylitol, a common sweetener added to many foods, gums and toothpastes is extremely toxic to dogs, causing a rapid release of insulin, seizures and eventually liver failure.
x6Ae1 TIL M. Night Shyamalan wrote the screenplay for Stuart Little.
84ZK TIL that in the arab world 45% of married couples are related, and that this has led to very high rates of genetic problems.