Search Results for: Bears

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6,878 results

6,878 results for: Bears

  1. Physics

    Catch a Wave

    Detection of gravitational waves predicted by Einstein's 1916 general theory of relativity may finally occur, thanks to a new generation of laser-based observatories.

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  2. Astronomy

    Senior star may have comets

    Astronomers have found what could be the first evidence of water-bearing objects that orbit a star other than the sun.

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  3. Math

    Spotting Ladybugs

    Ladybugs are among the most familiar of beetles. More than 4,000 species are found throughout the world, ranging in size from 4 to 18 millimeters. Also known as lady beetles or ladybirds, these insects (coccinellids) have rounded bodies and bright red, orange, or yellow wing covers, which usually bear an array of contrasting black spots […]

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  4. Math

    Spotting Ladybugs

    Ladybugs are among the most familiar of beetles. More than 4,000 species are found throughout the world, ranging in size from 4 to 18 millimeters. Also known as lady beetles or ladybirds, these insects (coccinellids) have rounded bodies and bright red, orange, or yellow wing covers, which usually bear an array of contrasting black spots […]

    By
  5. Astronomy

    Dusty Disks May Reveal Hidden Worlds

    Images of gaps, rings, arcs, warps, and clumps in disks of dusty debris surrounding nearby stars are providing new clues about the nature of planets that lie beyond the solar system.

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  6. Physics

    Nobel prize: Physics

    Three scientists have jointly won the 2001 Nobel Prize in Physics for creating the first samples, 6 years ago, of a long-sought and strange state of matter called a Bose-Einstein condensate.

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  7. From the August 29, 1931, issue

    HUGE GENERATORS YIELD BEAUTY TO PHOTOGRAPHER Throbbing electric generators, the machines that are the heart of the great system supplying light and power to more than 120 millions, are odd and beautiful subjects for the talented photographer. In the picture on the cover, Rittase of Philadelphia has caught the spirit of one of the largest […]

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  8. Ecosystems

    Deprived of Darkness

    From anecdotal reports of little-studied phenomena, researchers suspect that artificial night lighting disrupts the physiology and behavior of nocturnal animals.

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  9. Animals

    Poison birds copy ‘don’t touch’ feathers

    A subspecies of one of New Guinea's poisonous pitohui birds may be mimicking a toxic neighbor, according to a new genetic analysis.

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  10. Chemistry

    The True Sweet Science

    New techniques and tools are helping scientists elucidate the roles that complex sugars play in the human body and in drug manufacturing.

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  11. Planetary Science

    Exploring the Red Planet

    Searching for signs of subsurface water on the Red Planet and analyzing the elemental and mineral composition of surface rock, NASA's Mars Odyssey spacecraft begins its main mapping mission next month and may shed light on several enduring puzzles about the planet.

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  12. Earth

    Beefy Losses

    Cattle ranchers are facing some puzzling–and, at times, economically devastating–problems with pregnant cows and calves. At some facilities, high numbers of fetuses are aborting for no apparent reason. Other farmers successfully raise what look to be normal young cattle, only to learn when the animals are butchered that their carcasses appear old and, therefore, less […]

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