Search Results for: Bears

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6,773 results

6,773 results for: Bears

  1. The future of computing

    The digital revolution has brought chess-playing robots, self-driving cars, curated news feeds and new ethical challenges.

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  2. Earth

    A WWII submarine-hunting device helped prove the theory of plate tectonics

    With a boost from World War II, the fluxgate magnetometer became a portable and invaluable tool.

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  3. Astronomy

    Carbon-ring molecules tied to life were found in space for the first time

    Two types of polycyclic aromatic hydrocarbons in the Taurus Molecular Cloud are far more abundant than predicted.

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  4. Ecosystems

    Wild donkeys and horses engineer water holes that help other species

    Dozens of animals and even some plants in the American Southwest take advantage of water-filled holes dug by these nonnative equids.

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  5. Anthropology

    Seven footprints may be the oldest evidence of humans on the Arabian Peninsula

    In what’s now desert, people and other animals stopped to drink at a lake more than 100,000 years ago, a new study suggests.

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  6. Paleontology

    How massive long-necked dinosaurs rose to rule the Jurassic herbivores

    New dinosaur fossil dates to same time as a volcanic surge, suggesting ensuing changes in plant life allowed these long-necked giants to emerge.

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  7. Climate

    ‘The New Climate War’ exposes tactics of climate change ‘inactivists’

    In his new book, climate scientist Michael Mann draws the battle lines for a new phase of the struggle against climate change denialism.

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  8. Paleontology

    The dinosaur-killing asteroid impact radically altered Earth’s tropical forests

    The asteroid impact fundamentally reset the nature of Earth’s tropical rainforests, decreasing diversity at first and making them permanently darker.

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  9. Life

    Meatier meals and more playtime might reduce cats’ toll on wildlife

    Outdoor cats kill billions of birds and mammals each year. Simply satisfying their need to hunt or supplementing their diets could lessen that impact.

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  10. Astronomy

    When James Webb launches, it will have a bigger to-do list than 1980s researchers suspected

    The James Webb Space Telescope has been in development for so long that space science has changed in the meantime.

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  11. Life

    A newfound feathered dinosaur sported fuzz and weird rods on its shoulders

    A Brazilian dinosaur with stiffened pairs of ribbonlike feathers emerging from the shoulders is unlike any found before.

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  12. Life

    Only 3 percent of Earth’s land hasn’t been marred by humans

    A sweeping survey of terrestrial ecosystems finds that vanishingly little land houses all the animals it used to. Species reintroductions could help.

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