Animals

  1. Life

    Leprosy lurks in armadillos in Brazil’s Amazon

    Armadillos in the Brazilian Amazon are often infected with leprosy, which they may pass to people.

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  2. Animals

    Why some mammal species don’t have descended testicles, but most do

    New research studying genetic vestiges suggests that descended testicles are as ancient as the first placental mammal.

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  3. Genetics

    Readers ponder geothermal power and more

    Readers respond to stories from the May 26, 2018 issue of Science News.

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  4. Neuroscience

    How domestication changed rabbits’ brains

    The fear centers of the brain were altered as humans tamed rabbits.

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  5. Animals

    How a squishy clam conquers a rock

    Old boring clam research is upended after 82 years.

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  6. Anthropology

    Koko the gorilla is gone, but she left a legacy

    An ape that touched millions imparted some hard lessons about primate research.

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  7. Animals

    Each year painted lady butterflies cross the Sahara — and then go back again

    Painted ladies migrate the farthest of any butterfly.

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  8. Ecosystems

    Madagascar’s predators are probably vulnerable to toxic toads

    The Asian common toad, an invasive species in Madagascar, produces a toxin in its skin that’s probably toxic to most of the island’s predators.

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  9. Animals

    Leaf-cutter ants pick up the pace when they sense rain

    Leaf-cutter ants struggle to carry wet leaves, so they run to avoid rain.

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  10. Paleontology

    These newfound frogs have been trapped in amber for 99 million years

    Trapped in amber, 99-million-year-old frog fossils reveal the amphibians lived in a wet, tropical climate.

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  11. Animals

    Here’s what narwhals sound like underwater

    Scientists eavesdropped while narwhals clicked and buzzed. The work could help pinpoint how the whales may react to more human noise in the Arctic.

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  12. Animals

    Bees join an exclusive crew of animals that get the concept of zero

    Honeybees can pass a test of ranking ‘nothing’ as less than one.

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