Search Results for: Dolphins

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449 results

449 results for: Dolphins

  1. Dolphins may seek selves in mirror images

    Dolphins apparently recognize their own reflections.

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  2. Cries and Greetings

    Baboon intimacy and detachment present vexing clues.

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  3. Animals

    Even deep down, the right whales don’t sink

    A right whale may weigh some 70 tons, but unlike other marine mammals studied so far, it tends to float rather than sink at great depths.

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  4. Paleontology

    Sea Dragons

    About 235 million years ago, as the earliest dinosaurs stomped about on land, some of their reptilian relatives slipped back into the surf, took on an aquatic lifestyle, and became ichthyosaurs—Greek for fish lizards.

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  5. Copy Crab: DNA confirms that crab forms have several origins

    New genetic evidence suggests that crabs aren't all close relatives and their characteristic shape evolved independently on numerous occasions.

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  6. Paleontology

    New Fossils Resolve Whale’s Origin

    The first discovery of early whale fossils with key ankle bones intact provides compelling paleontological evidence that whales are closely related to many living ungulates, a relationship already supported by molecular data.

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  7. Paleontology

    Study picks new site for dinosaur nostrils

    A new analysis of fossils and living animals suggests that most dinosaurs' nostrils occurred at locations toward the tip of their snout rather than farther up on their face, a concept that may change scientists' views of the animals' physiology and behavior.

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  8. Earth

    A dietary cost of our appetite for gold

    This Mothers Day, many moms will find their brood and mates proffering glittering booty: sparkling necklaces, earrings, bracelets, brooches, and rings fashioned in whole or in part of gold. There may also be gilded plates, glasses, and grandmas favorite–fragile, matched sets of hand-painted tea cups and saucers. As women admire these tokens of their loved […]

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  9. Brains show evolutionary designs

    Mammal species exhibit basic types of brain design from which they have evolved a wide array of brain sizes, according to a new analysis.

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  10. Infanticide Reported in Dolphins

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  11. Cultural Life of Whales May Cut Diversity

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  12. Science News Books

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