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TIL The U.S Army has been cultivating a special unit of whistleblowers for combating groupthink in relation to critical decisions.

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Yp7m7 Consider the autoclave, which scientists use to sterilize tools and which issues scalding steam to do so. Or consider the heat gun, which is used to dry glassware and to warm distillation devices. It can also ignite anything flammable that gets too close. Glass containers in a vacuum can implode, spraying shards everywhere. Centrifuge rotors can fail, causing explosions that throw shock waves throughout a lab filled with chemicals. Steel vessels built to contain liquids and gases at hundreds of pounds of pressure per square inch can rupture, hurling metal at lab workers.
WkWod TIL that the phrase “live in the boonies” comes from the word Boondocks which in turn comes from the Philippine (Tagalog) word Bundok which means mountains, or an out of the way rural area.
KOo66 TIL that the enteric nervous system (nervous system around gastrointestinal system) can act as the body's second brain and can work independently of the brain and spinal cord.
MerBB TIL Rebel Wilson decided to pursue acting because of a malaria-induced hallucination in which she saw herself winning an Oscar. She contracted malaria while working as a Youth Ambassador for Rotary International in South Africa.
Ygbd TIL 50% of Earth’s internal heat is from radioactive decay. Earth used to be hotter, before elements with shorter half-lives were depleted.