› added 1 year ago

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TIL that the Marine Band consists of experienced musicians who are enlisted as Marines after auditioning. They are the only members of the armed forces who do not undergo boot camp.

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nebN9 TIL The US Navy has a Spec Ops team, MK6, comprised of Dolphins and Sea Lions. They're trained to detect enemy divers, attach a device onto their air tank that explodes and alerts personnel of their location.
e0YX6 TIL that 30 years ago you had 15-17 minutes to escape a house fire. Nowadays you only have 3-5 minutes (due to more plastics & petroleum-based products in the house as well as more open floor plans, bigger rooms, & higher ceilings).
OG0VY TIL that sharks don’t make sounds. Across 400-500 species, no one has ever found an organ even capable of producing sound.
LknLp TIL that blood being blue until coming in contact with oxygen is a myth. Veins appear blue through our skin because red wavelengths are absorbed by our skin more than blue wavelengths resulting in the appearance of blue veins.
xVMLk TIL that in Fortaleza, Brazil, in 1920, the population elected a goat as a city councilor in protest to local oligarchies and politicians.