https://www.popsci.com/authors/david-shiffman/
David Shiffman / Hakai Magazine | Popular Science
David Shiffman / Hakai Magazine is a writer. PopSci.com covers a variety of topics such as science, technology, DIY, news, and gadget reviews.
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https://www.nationalgeographic.fr/auteur/david-shiffman
David Shiffman | National Geographic | National Geographic
Nov 5, 2020 - Articles par David Shiffman
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