Life

  1. Paleontology

    Early Mammal’s Jaw Lost Its Groove

    A tiny fossil skull found in 195-million-year-old Chinese sediments provides evidence that crucial features of mammal anatomy evolved more than 45 million years earlier than previously thought.

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  2. Ecosystems

    Hurricanes’ full havoc yet to be felt

    When Hurricanes Dennis, Floyd, and Irene pummelled North Carolina in the fall of 1999, they delivered a three-punch sequence that may, for years to come, disrupt fishing in the Atlantic Ocean.

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  3. Paleontology

    The Latest Pisces of an Evolutionary Puzzle

    The recent discovery of coelacanths off the northeastern coast of South Africa was the first sighting of the rare fish in that country since the first living coelacanth, a type of fish thought to have been extinct for millions of years, was caught there in late 1938.

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  4. Paleontology

    Did fibers and filaments become feathers?

    A variety of filamentary structures on the fossil of a small theropod dinosaur recently found in China may provide new insight into the evolution of feathers.

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  5. Ecosystems

    Underwater Refuge

    Efforts are under way to greatly expand coastal no-fishing zones.

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  6. Paleontology

    Rocks yield clues to flower origins

    A distinctive organic chemical related to substances produced by modern flowering plants has been found in ancient fossil-bearing sediments, possibly helping to identify the ancestral plants that gave rise to flowers.

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  7. Paleontology

    Fake fossil not one but two new species

    A supposed missing link between dinosaurs and birds that was first unveiled in 1999, and revealed to be a forgery soon thereafter, was actually cobbled together from parts of animals from two new species.

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  8. Paleontology

    Jumbled bones show birds on the menu

    A fossilized pellet of partially digested bones of juvenile and baby birds provides the first evidence that birds served as food for predators.

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  9. Paleontology

    First brachiosaur tooth found in Asia

    A fossil tooth found along a dinosaur trackway in South Korea is the first evidence that brachiosaurs roamed Asia.

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  10. Paleontology

    Dinosaur fossil yields feathery structures

    Researchers believe they have found primitive feathers on the remains of Sinornithosaurus millenii, a 124-million-year-old raptor dinosaur from Liaoning, China.

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  11. Ecosystems

    Fish Epidemic Traces to Novel Germ

    A new mycobacterium, related to the one causing tuberculosis, is responsible for a mysterious epidemic sickening some of the Chesapeake Bay's most prized fish.

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  12. Plants

    Lichen Lovelies

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