Scientists find excess nitrogen favors plants that respond poorly to rising CO2
Snapshot
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Lifeboat from airships “America” and “Akron” donated to the Smithsonian
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Introducing the parasitic dinoflagellate: Tintinnophagus acutus
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Slide Show: Smithsonian’s National Museum of Natural History is 100!
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“Death Star” Shreds, Swallows Dwarf Planet
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Scientists find ultrasonic calls of bats also serve a social function
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Super sensitive telescope will detect “killer” asteroids and comets on collision course with Earth
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Lutron Electronics donates 50 years of company history to National Museum of American History
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NASA’s new eye on the sun delivers stunning images
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Red-billed hornbill hatched at National Zoo
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Killing of methane-producing megafauna may have caused cooling 13,000 years ago
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Tiny, new brains prove just as adept as large, mature brains among tropical orb-web spiders
