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Born 280 years ago #Today, Antoine Lavoisier changed chemistry from a qualitative to a quantitative science. He recognized and named oxygen and hydrogen, helped construct the metric system, wrote the first extensive list of elements and devised the law of conservation of mass
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Born 280 years ago #Today, Antoine Lavoisier changed chemistry from a qualitative to a quantitative science. He recognized and named oxygen and hydrogen, helped construct the metric system, wrote the first extensive list of elements and devised the law of conservation of mass
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Massimo
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37 years ago today, the Chinese government brutally crushed peaceful protesters in and around Tiananmen Square who were demanding an end to corruption, freedom of speech, and democratic reform. The massacre revealed a truth the world should never forget: the Chinese Communist
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37 years ago today, the Chinese government brutally crushed peaceful protesters in and around Tiananmen Square who were demanding an end to corruption, freedom of speech, and democratic reform. The massacre revealed a truth the world should never forget: the Chinese Communist
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56 years ago #Today, Jocelyn Bell was surveying the sky with the Interplanetary Scintillation Array in Cambridge, when she picked up a pulsating signal with a period of 1.3373 seconds.
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56 years ago #Today, Jocelyn Bell was surveying the sky with the Interplanetary Scintillation Array in Cambridge, when she picked up a pulsating signal with a period of 1.3373 seconds.
The power and regularity of the signals were briefly thought to resemble an extraterrestrial…
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twitter.com)
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Massimo