Search Results for: Bears

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6,875 results

6,875 results for: Bears

  1. Math

    The Math Hatter and More

    Looking for a cool gift for someone mathematically inclined? An unusual, conversation-generating token of appreciation? The World Wide Web offers a number of intriguing possibilities–if you know where to stop and shop. Metro cars in action. Smart Mouth letter dispenser. Original Stonehenge watch. A little ad in a mathematics newsletter recently alerted me to the […]

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  2. Math

    The Math Hatter and More

    Looking for a cool gift for someone mathematically inclined? An unusual, conversation-generating token of appreciation? The World Wide Web offers a number of intriguing possibilities–if you know where to stop and shop. Metro cars in action. Smart Mouth letter dispenser. Original Stonehenge watch. A little ad in a mathematics newsletter recently alerted me to the […]

    By
  3. 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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  4. Earth

    Fire Retardant Catfish?

    It may sound like a barbecue chefs dream: fish that wont catch fire and char when their fat spatters onto overly hot charcoal. But the facts are less appealing. Although many U.S. fish contain fire retardants, they wont protect your grilled fare from burning. In fact, these compounds, which go by the name of polybrominated […]

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  5. Ecosystems

    Marine plankton put nitrogen in a fix

    New genetic analyses of tropical marine microorganisms hint that some species are converting significant amounts of atmospheric nitrogen into nutrients, helping to fortify the base of the ocean's food pyramid.

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  6. Paleontology

    Fossil footprints could be monumental

    Trace fossils found in a vacant lot in a small town in Utah, including the footprints of meat-eating dinosaurs, could soon be protected as part of a new U.S. national monument.

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  7. Animals

    Wild gerbils pollinate African desert lily

    Scientists in South Africa have found the first known examples of gerbils pollinating a flower.

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  8. Animals

    Lemonade from Broken Amber

    The fossilized microbes found inside termites that have been encased in amber for 20 million years are remarkably similar to those found within the ancient insects' modern cousins.

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  9. 18928

    I’ve often wondered about packing circles and have always assumed that it would get into messy numbers very quickly. Your article is a charming revelation. It says that if a, b, and c are integers, d will be one, too. I think this is true only if a, b, and c bear some relationship to […]

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  10. Paleontology

    Turn Your Head and Roar

    The analysis of fossils that preserve evidence of diseases that appear to be similar or identical to afflictions that strike modern animals, including humans, could help scientists better grasp the causes and courses of today's ailments.

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  11. Earth

    They’re not briquettes, but they’ll do

    Chunks of fossil charcoal found in ancient sediments in north central Pennsylvania suggest that cycles of wildfire plagued Earth more than 360 million years ago.

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  12. Health & Medicine

    Hormone wards off immune cells in womb

    A hormone known for its involvement in the brain's response to stress also plays a key role in shielding the developing embryo from its mother's immune system.

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