› added 7 years ago

439

TIL about the Baghdad Battery. A 2000 year old clay jar with a stopper made of asphalt. Sticking through the asphalt is an iron rod surrounded by a copper cylinder. When filled with vinegar or other electrolytic solution, the jar produces about 1.1 volts.

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PYlYO TIL an 18-month old golden retriever saved her owner from being attacked by a cougar. The dog named Angel threw herself between her owner, 11-year-old Austin Forman, and the cougar. Angel and the cougar fought, the cougar winning until an officer was called and shot it. Angel survived and recovered.
v1NY4 TIL a retired American heart and lung surgeon has patented a scuba suit that would allow a human to breathe “liquid air”, like in the movie The Abyss. He has simulated 1000 foot dives with mammals and has decompressed them in less than half a second with no decompression sickness.
wxA8 TIL people with red hair are more sensitive to thermal pain, are less sensitive to electrically induced pain, and require larger amounts of anesthetics than people without red hair due to a mutation in their melanocortin 1 receptor.
rNdry TIL in WW2 the British, with the help of a professional magician, tricked the Germans into thinking that a British double-agent had successfully sabotaged an airplane factory.
wokoY TIL that the Longest Conveyor Belt in the World can be seen from space