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  1. Life

    Bloodthirsty bedbugs have feasted on prey for 100 million years

    Research sheds light on the evolutionary history of the bloodsucking bedbugs. The first species evolved at least as early as the Cretaceous, scientists say.

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  2. Anthropology

    Fossil teeth push the human-Neandertal split back to about 1 million years ago

    A study of fossilized teeth shifts the age of the last common ancestor between Neandertals and humans.

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  3. Planetary Science

    China’s lunar rover may have found minerals from the moon’s mantle

    The Chang’e-4 mission spotted material on the lunar surface that appears to contain bits originating from the moon’s interior.

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  4. Animals

    Peacock spiders’ superblack spots reflect just 0.5