News

  1. 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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  2. Chemistry

    Hot Spuds: Golden path to acrylamide in food

    The browning reaction that imparts flavor to french fries and breads also creates acrylamide, an animal carcinogen.

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  3. Materials Science

    Molecular Separations: New artificial sieve traps molecules

    Researchers have created a metal-laced organic solid that acts as a sieve with nanosize pores for capturing molecules.

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  4. Making Mice Mellow: Rodents yield clues to improved anxiety drugs

    Mice bred to lack a gene for a certain enzyme exhibit reduced anxiety and greater curiosity in stressful laboratory tasks, suggesting a possible new avenue of research into anti-anxiety medications.

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  5. Tech

    Solar Surgery: Sunlight acts like laser

    By channeling sunlight down a fiber optic cable, scientists have produced laserlike beams that can burn tumors off major organs.

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  6. Physics

    Prize honors physicist with conscience

    Physicist-author Freeman J. Dyson received the Templeton prize for originality in advancing religious understanding.

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  7. Physics

    Four ions mingle in quantum chorus

    A new way to produce mysterious quantum correlations among particles ups the record to four particles linked, or entangled, and opens the door to correlating many more particles on cue, a prerequisite for making quantum computers.

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  8. Chemistry

    Sweet tooth is in the genes

    Taste researchers have narrowed the search for the sweet tooth gene, at least in mice, to a 100-gene region.

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  9. Chemistry

    Birth control for male cockroaches

    Scientists have discovered a gene in German cockroaches that may lead to a new type of insect control—contraception for male cockroaches.

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  10. Chemistry

    Coming up roses in scent research

    Aroma chemists have discovered a carotenoid-processing enzyme that makes the chemicals that give rose oil its smell.

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  11. Milestones for Malaria: Parasite, mosquito genes decoded

    Unraveling the DNA of a malaria-causing parasite and of a mosquito that carries it may suggest new ways to combat the deadly disease.

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  12. Chemistry

    Nutty and fungi-ble taxol sources

    The active ingredient in the anticancer drug taxol has turned up in hazelnuts and fungi.

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