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TIL if you wash yourself within ten minutes of touching poison ivy, you can avoid a reaction

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via reddit.com

mxWpP In short, viruses can’t take the heat.
VMxMZ TIL Underwater welding is a highly paid occupation that doesn’t require time, resources, or a university degree, but has the highest fatality rate of any job at 15%. Underwater welders face risks including decompression sickness, hypothermia, drowning, and electrocution.
neOdY TIL that an 8-year-old boy earned an estimated $26 million, over a 12-month period, from reviewing toys on YouTube.
dD7Oj TIL about Operation Cottage intended to seize the last enemy stronghold on North American soil from Japanese occupiers in 1943. By the time the island was declared secure, over 300 Allied soldiers lay dead or wounded. There were none Japanese casualties, they abandoned the island 3 weeks prior.
VMQd0 TIL that only the outer layer of tree trunks are alive. The center of the trunk is technically dead but it will not decay or lose strength while the outer layers are intact. A piece of the dead core 12" long and 1" by 2" in cross section set vertically can support a weight of twenty tons.