101 to People TwitterEnglish • 3 days agoScientific Americanfeddit.orgimagemessage-square24fedilinkarrow-up1479arrow-down115file-text
arrow-up1464arrow-down1imageScientific Americanfeddit.org101 to People TwitterEnglish • 3 days agomessage-square24fedilinkfile-text
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