
Jason Bittel
Freelance Science Writer at Freelance
Wild animal & author for Nat Geo Books, coming 2026. Words @NatGeo, @WashingtonPost, @NYTScience. Prev: @KSJatMIT, @NatGeoExplorers. He/him. On Bluesky...
Articles
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5 days ago |
nationalgeographic.fr | Jason Bittel |Michael Skrepnick |Canadian Museum
Les mammifères du Mésozoïque ne semblaient pas bien menaçants face aux immenses et magnifiques dinosaures avec lesquels ils cohabitaient. Un fossile extrêmement bien préservé, découvert dans le nord-est de la Chine, montre cependant que ces derniers pouvaient eux aussi attaquer et se défendre contre leurs majestueux adversaires préhistoriques. Les restes fossilisés découverts se composent de deux squelettes presque complets, entremêlés depuis environ 125 millions d’années.
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2 weeks ago |
nationalgeographic.fr | Jason Bittel |Norbert Wu
Chez les poissons, le sommeil prend des formes différentes que chez les humains. Mais le repos reste essentiel à leur survie. Publication 24 mai 2025, 10:32 CESTSi vous avez déjà fait de la plongée libre sur un récif corallien en journée, vous avez probablement vu des hordes de poissons aux couleurs vives, de toutes les formes et de toutes les tailles. Mais retournez au même endroit au beau milieu de la nuit, et la plupart auront disparu.
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2 weeks ago |
nationalgeographic.com | Jason Bittel
If you’ve ever gone snorkeling on a coral reef during the day, you likely saw waves of brightly colored fish of all shapes and sizes. But return to the same spot in the middle of the night, and most of those same creatures will have vanished. Which might make one wonder, do fish sleep? “All animals that have been carefully examined show sleep,” says Philippe Mourrain, a neuroscientist at Stanford University.
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2 weeks ago |
yahoo.com | Jason Bittel
If you’ve ever gone snorkeling on a coral reef during the day, you likely saw waves of brightly colored fish of all shapes and sizes. But return to the same spot in the middle of the night, and most of those same creatures will have vanished. Which might make one wonder, do fish sleep? “All animals that have been carefully examined show sleep,” says Philippe Mourrain, a neuroscientist at Stanford University.
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3 weeks ago |
nationalgeographicbrasil.com | Jason Bittel
Animais com padrões de cores ultravioleta podem ser encontrados em toda a natureza. Veja a seguir o que se sabe sobre a finalidade do fenômeno da fotoluminescência. Um cientista biomédico encontra um escorpião venenoso que brilha em azul sob luz ultravioleta. Os escorpiões são um dos muitos animais que parecem brilhar sob luz ultravioleta (UV) e os pesquisadores estão descobrindo que a fotoluminescência é mais comum do que se suspeitava anteriormente. Publicado 13 de mai.
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