Search Results for: Dinosaurs

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1,961 results

1,961 results for: Dinosaurs

  1. Humans

    From the October 25, 1930, issue

    alt=”Click to view larger image”> STEAM ACCUMULATORS BOOST POWER IN BERLIN Six hundred tons of steam stored under 190-pounds-per-square-inch pressure in huge steel cylinders help Berliners ride the trams to and from work and burn lights in the early morning. These cylinders are the new steam accumulators at the Charlottenburg power station, which are attracting […]

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  2. Paleontology

    Mosasaurs were born at sea, not in safe harbors

    Newly discovered fossils of prehistoric aquatic reptiles known as mosasaurs suggest that the creatures gave birth in midocean rather than in near-shore sanctuaries as previously suspected.

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  3. Paleontology

    Stegosaur tails packed a punch

    A mathematical analysis of a fossil stegosaur's bones leaves little doubt that the creature's spike-studded tail was an effective defense against predators.

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  4. Humans

    From the May 24, 1930, issue

    GRASSHOPPERS THREATEN UNITED STATES Grasshoppers threaten to wreak heavy damage to grain and forage crops in Montana and the Dakotas this year. There were many hoppers in these states, and in parts of Texas, last year, and the eggs they laid are now hatching in large numbers. If climatic and other conditions favor the growth […]

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  5. Paleontology

    Old Frilly Face: Triceratops’ relative fills fossil-record gap

    Fossils of a creature the size of a Texas jackrabbit cast new light on the early evolution of a group of horned dinosaurs that include the 8-meter-long Triceratops.

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  6. Science & Society

    Science News of the Year 2003

    A review of important scientific achievements reported in Science News during the year 2003.

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  7. 18994

    There is another mechanism besides muscle that gives energy to running and hopping animals. It enables such animals as kangaroos to run faster than their muscles alone can take them. What happens is the tendons act as springs that stretch and then snap back. There is no reason to think that a large and heavy […]

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  8. Paleontology

    Skimming the Surface: Flying reptile may have scooped its meals

    Fossils unearthed in Brazil strengthen the idea that some species of ancient flying reptiles snatched their meals on the fly, snapping up fish as they swooped low over the water's surface.

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  9. Humans

    Science News of the Year 2003

    A review of important scientific achievements reported in Science News during the year 2003.

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  10. Paleontology

    New fossil sheds light on dinosaurs’ diet

    Vestiges of soft tissue preserved in a 70-million-year-old Mongolian fossil suggest that some dinosaurs could have strained small bits of food from the water and mud of streams and ponds, just like some modern aquatic birds do.

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  11. Paleontology

    No Olympian: Analysis hints T. rex ran slowly, if at all

    Tyrannosaurus rex, a bipedal meat eater considered by many to be the most fearsome dinosaur of its day, may not have been the swift Jeep-chaser portrayed by Hollywood.

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  12. Earth

    Global Impact: Space object may have spread debris worldwide

    Sediments laid down about 3.47 billion years ago in what are now western Australia and eastern South Africa contain remnants of what may have been an extraterrestrial-object impact large enough to disperse debris over the entire planet.

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