Category: Science

Dinosaur teeth reveal some were picky eaters

Some dinosaurs were fussy eaters. Certain herbivorous dinosaurs preferred specific parts of plants, challenging long-standing assumptions about their diets, a study of fossilized dino teeth shows. The analysis of calcium isotopes in 150-million-year-old

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See how aerosols loft through Earth’s sky

The sky abounds with aerosols, tiny particles with large sway over Earth’s temperature. A new NASA visualization reveals how these airborne particles swirl through the atmosphere. The agency’s Goddard Earth Observing System tracks

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