Life

  1. Animals

    The truth is, frogs bluff and crabs cheat

    Two research teams say they've caught wild animals bluffing, only the second and third examples (outside of primate antics) ever recorded.

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  2. Paleontology

    Telltale Dino Heart Hints at Warm Blood

    A recently discovered fossil dinosaur heart is more like the heart of birds and mammals than that of crocodiles, providing further evidence that dinosaurs may have been warm-blooded.

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  3. Ecosystems

    New protection for much-dogged shark

    To rebuild northeastern U.S. populations of the spiny dogfish, the first fishing quotas on this species limit the harvest to roughly 10 percent of the 1998 haul.

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  4. Animals

    Music without Borders

    When birds trill and whales woo-oo, we call it singing. Are we serious?

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  5. Paleontology

    Trilobites to Go

    Extinct even before dinosaurs existed on Earth but extensively preserved in the fossil record, the eight orders of trilobites (more than 15,000 species) live on via this large, informative Web site, created by zoologist and amateur trilobite enthusiast Sam Gon III. The site provides a gallery of images, a glossary of terms, and much more. […]

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  6. Paleontology

    Dinosaurs, party of six, meat eating

    The bones of six carnivorous dinosaurs discovered in a fossil bed in Patagonia may indicate that big, meat-eating dinosaurs were social creatures.

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  7. Paleontology

    Fossil gets a leg up on snake family tree

    A 95-million-year-old fossil snake with legs may be an advanced big-mouthed snake, not a primitive ancestor.

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  8. 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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  9. Plants

    Underground Hijinks: Thieving plants hack into biggest fungal network

    For the first time, plants have been caught tapping into the most widespread of soil fungi networks and using it to steal food from green plants.

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  10. Paleontology

    Salvaged DNA adds to Neandertals’ mystique

    Researchers who isolated a sample of Neandertal mitochondrial DNA say that it provides no evidence that Neandertals contributed to modern human evolution.

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  11. Plants

    Fungus of the Month

    Wisconsin botanist Tom Volk’s smorgasbord of a mycology Web site offers a variety of enticing distractions. You can find morel mushrooms dressed in their holiday best, fungi that ought to be avoided at a Thanksgiving feast, and much more. Be sure to check out the fungus of the month, then browse the archive of fungal […]

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  12. Animals

    Eat the Kids: Are cannibal fish just freshening the O2?

    In beaugregory damselfish, males that snack on some of the eggs supposedly in their care may end up benefiting the rest of the egg clutch by making more oxygen available.

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