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TIL that in 1984, an elephant in a German zoo killed 3 hippos by opening a water valve while playing and thus filling their pool with 55°C hot water. The water generated steam that interfered with their breathing, and the hippos (two adults and one baby) died of shock.

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jDBj TIL that despite being an icon of fiscal conservatism, Ronald Reagan actually tripled the Gross Federal Debt, from $900 billion to $2.7 trillion during his administration.
VBBrk TIL that time dilation is the reason we can use muon tomography to scan the Great Pyramids. From their point of view, muons only live a very short time. But they go so fast that from our point of view, they live long enough to penetrate the atmosphere and large objects.
78VRL TIL about project Cybersyn, an attempt to implement a socialist economy aided by real-time computer processing and pre-internet telecommunication-based coordination in 1970s Chile
n8Ad Today I learned: Vivian Banks (Janet Louise Hubert) was fired from The Fresh Prince of Bel-Air because of drama between her and Will Smith.
NBy1 TIL that the first vending machine – a device that dispensed holy water in exchange for a coin – was invented in the first century A.D.