All Stories

  1. Archaeology

    People in the Pacific Northwest smoked tobacco long before Europeans showed up

    Ancient indigenous groups in the Pacific Northwest used tobacco roughly 600 years before European settlers ventured west with the plant.

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  2. Archaeology

    Ancient South Americans tasted chocolate 1,500 years before anyone else

    Artifacts with traces of cacao push back the known date for when the plant was first domesticated by 1,500 years.

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  3. Chemistry

    Zapping substances with electrons can quickly map chemical structures

    Speedy molecular identification originally developed for proteins might benefit crime lab researchers and drugmakers.

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  4. Climate

    ‘18 Miles’ is full of interesting tales about Earth’s atmosphere

    The new book ‘18 Miles’ takes readers on a journey through the atmosphere and the history of understanding climate and weather.

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  5. Health & Medicine

    What the approval of the new flu drug Xofluza means for you

    Xofluza, the first flu antiviral to be approved in 20 years, works differently from other flu drugs.

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  6. Animals

    While eating, these tiny worms release chemicals to lure their next meal

    As they eat insects, one nematode species releases chemicals that attract more insect prey.

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  7. Animals

    Coral larvae survive being frozen and thawed for the first time

    Cryopreservation might help save some coral reefs at risk from climate change and other dangers.

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  8. Paleontology

    The first vertebrates on Earth arose in shallow coastal waters

    After appearing about 480 million years ago in coastal waters, the earliest vertebrates stayed in the shallows for another 100 million years.

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  9. Life

    To get a deeper tan, don’t sunbathe every day

    Skin cells make protective melanin on a 48-hour cycle.

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  10. Animals

    How a snake named Hannibal led to a discovery about cobra cannibalism

    Scientists discovered that cobras in southern Africa eat each other more often than thought. And that may be true for cobras in other places as well.

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  11. Plants

    Liverwort plants contain a painkiller similar to the one in marijuana

    Cannabinoids found in liverwort plants could spell relief for those suffering from chronic pain.

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  12. Archaeology

    Ancient Clovis people may have taken tool cues from earlier Americans

    Ancient Americans’ spearpoints may have heralded later Clovis weapons.

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