Have you checked out our interactive periodic table with a video for every element? (Warning: It's addictive): https://t.co/ujMGBYM1gK pic.twitter.com/9dOU7zYQ3g
— TED-Ed (@TED_ED) April 14, 2018
from Twitter https://twitter.com/TED_ED
April 15, 2018 at 07:01AM
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