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  1. Humans

    If only bones could speak

    The shape of fossil spine bones suggests that ancient human ancestors could speak.

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  2. Planets

    The Way a Comet Crumbles

    Astronomers are getting a close look at a comet that's falling apart as it nears the sun.

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  3. Tech

    Dancing with Robots

    Ingenuity and creativity highlight a contest in which student-built robots play soccer, dance, or go on a rescue mission.

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  4. Tech

    Fingerprint evidence

    Identifying fingerprints may have a role not just in solving crimes but also in everyday life.

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  5. Animals

    Vent worms like it hot

    Some undersea worms prefer water at temperatures near the upper limit of what animals are known to survive.

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  6. Tech

    Switchable Lenses Improve Vision

    Special lenses that automatically focus can help people wearing eyeglasses see more clearly.

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  7. Animals

    Echoes of hunting

    Bats use high-pitched sounds to zero in on prey, converting what they hear into how they fly.

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  8. Planets

    Xena’s Mysterious Sparkle

    Orbiting beyond Pluto, the recently discovered 10th planet reflects a lot of light.

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  9. Earth

    A great quake coming?

    The 100th anniversary of the great San Francisco earthquake is a reminder that future quakes could cause even more damage.

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  10. Planets

    Saturn’s Strangely Warm Moon

    Saturn's mysterious moon Enceladus may have liquid water close enough to its surface to produce giant geysers.

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  11. Health & Medicine

    Prehistoric trips to the dentist

    Thousands of years ago, some people had holes drilled into their teeth.

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  12. Planets

    Jupiter’s Second Red Spot

    Several huge storms have merged to give Jupiter a second red spot.

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