News

  1. Paleontology

    These crocodile-like beasts reached the Caribbean, outlasting mainland kin

    Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

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  2. Tech

    A new 3-D display lets you reach in and touch virtual objects

    These hands-on displays might be used to create more immersive video games, educational tools and museum exhibits.

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  3. Physics

    Here’s how we might generate electricity from rain

    Water drops produce electricity when dripped through a small tube. That power might be harnessed as renewable energy in rainy places.

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  4. Health & Medicine

    Two cities stopped adding fluoride to water.