Biological Evolution: Unity and Diversity

  1. Tiny spider uses silk to lift prey 50 times its own weight

    Dropping the right silk let’s a spider haul mice, lizards and other giants up off the ground.

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  2. Health & Medicine

    Bringing COVID-19 vaccines to much of world is hard

    The price of not vaccinating nearly everyone across the world could be a longer pandemic and more troubling variants of the new coronavirus.

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  3. Life

    Scientists Say: Hominid

    Scientists are still working out what counts as a hominid. Some say it’s just people and our extinct ancestors. Others say add more apes.

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  4. Humans

    By not including everyone, genome science has blind spots

    Little diversity in genetic databases makes precision medicine hard for many. One historian proposes a solution, but some scientists doubt it’ll work.

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  5. Health & Medicine

    Some young adults will volunteer to get COVID-19 for science

    Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.

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  6. Agriculture

    Soil (and its inhabitants) by the numbers

    Teeming with life, soils have more going on than most of us realize.

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  7. Animals

    Unique dialects help naked mole-rats tell friends from foes

    Computer analysis reveals that these social rodents communicate with speech patterns distinct to each colony.

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  8. Chemistry

    Let’s learn about acids and bases

    Acids give away particles with positive charge. Bases accept positively charged particles. They are both critical for chemical reactions.

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  9. Animals

    A new chameleon species may be the world’s tiniest reptile

    The newly described reptiles live in the northern forests of Madagascar. Deforestation there may also leave them on the brink of extinction.

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  10. Animals

    Giant worms may have hidden beneath the ancient seafloor to ambush prey

    Twenty-million-year-old tunnels unearthed in Taiwan may have been home to creatures similar to today’s monstrous bobbit worms.

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  11. Animals

    How do you build a centaur?

    A centaur has the torso of a human and the body of a horse. It may sound cool, but it wouldn’t work very well.

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  12. Archaeology

    Harsh Ice Age winters may have helped turn wolves into dogs

    In the Ice Age, Arctic hunters may have turned to some game for their fatty bones. Much of those animals’ meat might have been left to domesticate dogs.

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