Search Results for: Dolphin

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441 results
  1. Animals

    Fish beware: Bottlenosed dolphins may be able to pick up your heartbeat

    Fish, sharks and platypuses are adept at sensing electrical signals living things give off. Bottlenosed dolphins make that list too, studies suggests.

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  2. Animals

    50 years ago, the U.S. Navy enlisted sea lions and other marine mammals

    Today, dolphins and sea lions in the U.S. Navy Marine Mammal Program protect harbors and participate in research on animal health and well-being.

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  3. Animals

    Bottlenose dolphin moms use baby talk with their calves

    When their babies are near, bottlenose dolphin moms modify their signature whistles, similar to human parents speaking in baby talk.

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  4. Animals

    Here’s how high-speed diving kingfishers may avoid concussions

    Understanding the genetic adaptations that protect the birds’ brains when they dive for food might one day offer clues to protecting human brains.

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  5. Animals

    Here are 3 people-animal collaborations besides dolphins and Brazilians

    Dolphins working with people to catch fish recently made a big splash. But humans and other animals have cooperated throughout history.

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  6. Animals

    This bird hasn’t been seen in 38 years. Its song may help track it down

    Using bioacoustics, South American scientists are eavesdropping on a forest in hopes of hearing the song of the long-missing purple-winged ground dove.

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  7. Life

    Bonobos, like humans, cooperate with unrelated members of other groups

    Cooperation between unrelated individuals in different groups without clear and immediate benefit was thought to be uniquely human. Its presence in bonobos may help explain its evolution.

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  8. Neuroscience

    Ancient viruses helped speedy nerves evolve

    A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.

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  9. The challenges of seeing the profusion of tiny life

    Editor in chief Nancy Shute marvels at the diversity of tiny life-forms known as protists.

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  10. Animals

    These nesting penguins nod off over 10,000 times a day, for seconds at a time

    Micronaps net chinstrap penguins over 11 hours of sleep a day, offering some rest while staying vigilant against predators and competitors.

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  11. Paleontology

    A colossal ancient whale could be the heaviest animal ever known

    Perucetus colossus may have tipped the scales at up to 340 metric tons, but some scientists are skeptical it could have sustained that mass.

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  12. Animals

    ‘Wonderful nets’ of blood vessels protect dolphin and whale brains during dives

    Complex networks of blood vessels called retia mirabilia that are associated with cetaceans’ brains and spines have long been a mystery.

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