› added 10 years ago

551

TIL it takes 45 minutes to take a shit in zero gravity.

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klvg TIL in 1957 five US military personnel agreed to stand directly under a nuclear detonation
mxdnp TIL the Hawthorne Effect is when an individual modifies their behavior because they are being observed. Somewhat like a placebo effect, the novelty of being a research subject and the increased attention could lead to behavior changes that result in false positive & inaccurate experiment conclusions
m157o TIL That because Run-DMC was reluctant to record Walk This Way, producer Rick Rubin invited Aerosmith into the studio without telling Run-DMC. This put them on the spot so they gave in and recorded the song. It ended up being rap's first mainstream mega hit
Z8LXp TIL that most "national" holidays are just marketing ploys by agencies to boost sales. They are not recognized by any government whatsoever.
epj9n TIL that the entire astroid belt combined is roughly 3% of the mass of the Moon. 60% of the asteroid belt's mass is contained within four objects: Ceres, Vesta, Pallas, and Hygiea.