News

  1. Paleontology

    Mammoths may have gone extinct much earlier than DNA suggests

    Ancient DNA in sediments may be leading paleontologists astray in attempts to figure out when woolly mammoths and woolly rhinos died out, a new study argues.

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  2. Physics

    Physicists explain how to execute a nearly splashless dive

    A pocket of air lets elite divers pull off the rip entry, breaking through the water without sending it flying.

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  3. Animals

    Dry pet food may be more environmentally friendly than wet food

    The environmental cost of wet pet food is higher than dry food, scientists say. That may be because wet food gets most of its calories from animals.