Animals

  1. Animals

    Touching allows octopuses to pre-taste their food

    Special sensory cells in their arms’ suckers sense chemicals. Those cells allow them to taste the difference between food and poison.

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  2. Animals

    Utah mink is first known case of the coronavirus in a wild animal

    A wild mink appears to have picked up the novel coronavirus from farmed animals. Such spread in the wild does not appear common.

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  3. Animals

    Scientists Say: Lachryphagy

    Some insects land on the eyeballs of larger animals. They are seeking out the salt and proteins in the animal’s tears.

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  4. Animals

    Let’s learn about sharks

    This ancient group of fish can use scent and even electricity to detect their prey. And they fill an important niche in the ocean.

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  5. Animals

    Scientists Say: Medullary bone

    Medullary bone is a layer that forms inside bird and dinosaur bones. It’s a source of the calcium in eggshells.

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  6. Animals

    Around the world, birds are in crisis

    Human activities around the world are threatening bird species. Numbers of even some of the most common species are starting to fall.

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  7. Life

    Ogre-faced spiders listen closely to snatch bugs from the air

    Ogre-faced spiders can hear prey sneaking around behind them. Low frequencies can trigger a blind, backwards attack.

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  8. Health & Medicine

    Scientists Say: Apoptosis

    When it’s time for cells to die, they need to do it carefully, so they don’t harm other cells.

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  9. Plants

    Please do not touch the Australian stinging tree

    Stinging-tree leaves look soft and inviting, but one touch delivers agony. Structurally, the plant's painful chemical looks a lot like spider venom.

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  10. Animals

    The diabolical ironclad beetle is nearly unsquishable

    The diabolical ironclad beetle is an incredibly tough little creature. A peek inside its exoskeleton reveals what makes it virtually uncrushable.

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  11. Animals

    This snake rips open a living toad to feast on its organs

    A particularly gruesome way to kill may help small-banded kukri snakes avoid a deadly poison secreted from the neck and backs of some toads.

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  12. Genetics

    Scientists Say: Evolution

    Evolution is how species change over time. Individuals in the group vary, and some will pass on their genes. Over time, the whole species changes.

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