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103

TIL we perceive sound pitch logarithmically. The notes in a scale sound like they rise in equal steps but their vibrational frequencies are rising by equal multiples.

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9w8JX TIL by the time a kid is 13, advertisers will have gathered on average more than 72 million data points about them.
9b6r TIL that the coldest city on Earth is Yakutsk in Russia, with the coldest temperature ever recorded being −64.4 °C (−83.9 °F) and average of −38.6 °C (−37.5 °F) in January.
Jjjm TIL there is a marathon that only 14 out of 1000+ runners have finished, there is no published race date or website, & entry requires an essay, a fee of $1.60 and a license plate from your state.
OXbL TIL Scientists say human greenhouse gas emissions have canceled the next ice age, and that pre-industrial human modifications of the climate through agriculture, fires and deforestation might have just barely staved it off.
woP9M TIL: Sweden joining NATO marks first time in 500 years when all Nordic countries are allied to each other. Last such time was in 1523 when Kalmar Union dissolved.