› added 11 years ago

51

TIL that orcas killed during harvesting for marine parks were stuffed with rocks and sunk to prevent their discovery

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OoWL1 TIL The color purple is a non-spectral color. Meaning it is always a combination of two different wavelengths of electromagnetic radiation.
kJ6yB TIL about Kosher Switch, a light switch that complies with the Sabbath commandment by only working sometimes and hence doesn't count as intentionally lighting a fire
mx8Jp TIL of the law of urination, it states that all mammals take roughly 21 seconds to empty their bladders regardless of size
M7Ol7 TIL about Pope Joan, a woman who became pope during the Middle ages by disguising herself as a man. The legend was believed to be true until 17th century.
YvZP TIL blue light exposure immediately before the evening meal increases hunger