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TIL about the Ni'ihau incident, where a Japanese pilot landed after the Pearl Harbor attack and tried to fight on

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d09d TIL A single sperm contains 37.5 MB of DNA information. One ejaculation represents a data transfer of 15,875 GB.
Z5LB TIL Melatonin levels secreted in breast milk vary depending on the time of day, helping a baby know when to sleep/wake up and thus regulate its sleep cycle. Babies who are fed formula have a harder time regulating their sleep cycle and are more prone to colic
Z8nXQ TIL that among the many bizarre requests received by Virgin Atlantic flight attendants were: "Could you turn the engines down because they are too noisy?"; "Please can the Captain stop the turbulence?"; "Can you take my children to the playroom?"; and "Is there a McDonald's onboard?"
x8Bw TIL violin strings have been made from 5000 strands of spider silk. They produce ‘a soft and profound timbre’ when played
Aw9B TIL Our genes show that we all share a male ancestor that is called Y-Chromosomal Adam. He lived approximately 208,300 years ago.