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185

TIL there is an annual competition for scientists to explain their PhD through interpretive dance

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DQaVD TIL: Ionization smoke detectors, one of the two most common home smoke detectors, contain radioactive material (americium-241) to detect smoke. There is no health threat as long as the detector is used as directed and not damaged.
8ajlG TIL that the term "Big Bertha" comes from Bertha Krupp, the sole owner of the company who manufactured the popular German WW1 "big bertha" siege howitzer cannon.
0dYQN TIL that during an assault in the Burma Campaign of WW2 Fazal Din VC was run through by a Japanese officer. He tore the sword from the officer and used it to kill not only its owner but three more soldiers. He died of his wounds soon after returning to HQ, aged 23
d8JM7 TIL: Eating and or Drinking Before Bed Can Help Improve the Lucidity of Your Dreams.
v1Ng4 TIL That cells in the retina decline in sensitivity as we age. Meaning that colours e.g blue appear washed out as the years pass. In short the sky actually was bluer when you were younger.