Life

  1. Artisans carving rosewood
    Ecosystems

    Can forensics help keep endangered rosewood off the black market?

    Timber traffickers are plundering the world’s forests, but conservationists have a new set of tools to fight deforestation.

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  2. Athena the elephant
    Animals

    Apple TV+’s ‘The Elephant Queen’ shies away from hard truths

    The Elephant Queen offers an intimate look into the lives of elephants, but the documentary largely avoids threats the animals face.

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  3. man sleeping
    Neuroscience

    Sleep may trigger rhythmic power washing in the brain

    Strong, rhythmic waves of cerebrospinal fluid wash into the human brain during sleep and may help clean out harmful proteins.

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  4. vampire bats
    Life

    Vampire bat friendships endure from captivity to the wild

    Vampire bats can form social bonds that persist from a lab setting to the outdoors, suggesting the cooperative relationships are like friendships.

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  5. lawn wolf spider
    Animals

    Spider webs don’t rot easily and scientists may have figured out why

    Spider silk doesn’t rot quickly because bacteria can’t access its nitrogen, a nutrient needed for the microbes’ growth, scientists say.

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  6. Saharan silver ant
    Life

    Saharan silver ants are the world’s fastest despite relatively short legs

    Saharan silver ants can hit speeds of 108 times their body length per second.

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  7. San hunter gatherers
    Humans

    Humans’ maternal ancestors may have arisen 200,000 years ago in southern Africa

    New DNA findings on humankind’s maternal roots don’t offer a complete picture of how and when Homo sapiens emerged.

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  8. bird eggs
    Life

    Bird eggs laid in cold climates are darker, which may keep eggs warm

    A global survey of bird egg color reveals a simple trend: the colder the climate, the darker the egg.

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  9. Congolese giant toads
    Animals

    Congolese giant toads may mimic venomous snakes to trick predators

    If Congolese giant toads mimic venomous Gaboon vipers, it would be the first reported case of a toad imitating a snake.

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  10. mammal skulls
    Life

    Remarkable fossils capture mammals’ recovery after the dino-killing asteroid

    A fossil-rich site in Colorado is revealing how mammals rebounded and flourished after an asteroid strike 66 million years ago.

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  11. organoid
    Neuroscience

    Lab-grown organoids are more stressed-out than actual brain cells

    Compared with real brain tissue, organoids show big differences.

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  12. Piranha skull scan
    Life

    Piranhas and their plant-eating relatives, pacus, replace rows of teeth all at once

    Piranhas and pacus both lose and replace all teeth on one side of their mouths in one go, which may help to distribute wear and tear.

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