Search Results for: Sharks

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803 results

803 results for: Sharks

  1. Beast Buddies

    As researchers muse about the evolutionary origins of friendship, even the social interactions of giraffes are getting a second look.

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  2. Baby talk goes to the dogs, and cats

    Acoustic differences in the "baby talk" that mothers use with their infants and with family pets support the notion that adults use this form of speech to teach language skills to their babies.

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  3. Earth

    Mercurial Effects of Fish-Rich Diets

    In the spring of 2000, one of Jane M. Hightower’s patients had been concerned about hair loss, so the internist referred the woman to a specialist in her building. That dermatologist probed the woman’s medical history but could find no explanation. That is, until she suddenly recalled a radio broadcast about mercury poisoning in people […]

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  4. Physics

    Balloon bursts give clue to fast cracks

    A casual observation about the edges of popped balloons may have led researchers to previously unknown features of the most common and least understood types of fractures.

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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. Ecosystems

    State of U.S. Agro-ecosystems

    About one-quarter of the United States’ land cover, excluding Alaska, is farmed–some 430 million to 500 million acres. A massive new project has just assessed this and other food-producing environments, such as coastal waters, fresh waters, and rangelands, to tally factors contributing to health. Released on Sept. 24, it indicates that most ecosystems are undergoing […]

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  7. From the December 28, 1929, issue

    YOUTH AND THE SEA “Captain Sylvia,” aged 6 weeks, and her mother, Mrs. J.E. Williamson upon the cover of this week’s issue look at a strange world full of fishes, corals, sharks, morays, and other denizens of the deep. The youthful scientist, symbolic of science itself and its aspirations, was a member of the Field […]

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  8. 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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  9. Science News of the Year 2002

    A review of important scientific achievements reported in Science News during the year 2002.

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  10. Science News of the Year 2002

    A review of important scientific achievements reported in Science News during the year 2002.

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  11. Health & Medicine

    Ancient Estrogen

    A jawless fish ancestor may have revealed the most ancient of hormones and how current hormones evolved from it.

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  12. Messy Pilgrims Blamed for Puzzling Fossils

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