Uncategorized

  1. 19390

    I believe a reader rushed to judgment regarding the environmental impact of splitting water to produce hydrogen for fuel (“Letters: Dry Hole?” above). The split water isn’t ultimately consumed, only recycled. Burning hydrogen reunites it with oxygen, returning water to the environment. Much more intriguing questions might concern the human-accelerated migration of water from liquid […]

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  2. Humans

    From the March 10, 1934, issue

    High-speed photography, artificial radioactivity, and earthquake prediction.

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  3. Animals

    New Green Eyes: First butterfly that’s genetically modified

    Scientists have genetically engineered a butterfly for the first time, putting a jellyfish protein into a tropical African species so that its eyes fluoresce green.

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  4. Health & Medicine

    Meat of the Matter: Fish, flesh feed gout, but milk counters it

    Nutrition research supports the ancient notion that a diet rich in meat contributes to the development of gout, a form of arthritis common in men.

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  5. Tech

    Special Treatment: Fuel cell draws energy from waste

    Researchers have created a fuel cell that breaks down organic matter in wastewater and, in the process, generates small amounts of electricity.

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  6. Health & Medicine

    Shutting Off an On Switch: Novel drugs slow two cancers in mice

    By shutting down a signaling molecule on cancerous cells, scientists have found a way to slow multiple myeloma and fibrosarcoma, tests in animals show.

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  7. Astronomy

    Deepest Vision Yet: Hubble takes ultralong look at the cosmos

    Astronomers unveiled the deepest visible-light portrait of the universe ever taken, a million-second-long exposure by the Hubble Space Telescope that includes near-infrared images of what appear to be the most-distant galaxies known.

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  8. Anthropology

    Brain Size Surprise: All primates may share expanded frontal cortex

    A new analysis of brains from a variety of mammal species indicates that frontal-cortex expansion has occurred in all primates, not just in people, as scientists have traditionally assumed.

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  9. Scrambled Dogma: Stem cells may make new eggs in women

    Scientists may have come up with a new explanation for how a woman's biological clock works.

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  10. Medieval Science

    This page provides links to a wide variety of materials devoted to different aspects of medieval science. Compiled by James McNelis, editor of a journal on medieval literature, the links cover such topics as alchemy, hunting and falconry, archaeoastronomy, horology, mathematics, botany, medicine, and cartography. Go to: http://members.aol.com/mcnelis/medsci_index.html

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  11. Earth

    Diesel fumes suppress immune response

    Recurring exposure to soot particles from diesel exhaust fumes reduces the immune system's capacity to fend off infection, tests on rodents indicate.

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  12. 19389

    There are added benefits to methotrexate and etanercept for rheumatoid arthritis patients, such as myself. After a recent major flare-up, my rheumatologist put me on that therapy. Many people don’t realize that along with inflammation and pain, arthritis also brings major fatigue and lack of sleep because of pain. I feel much better now, and […]

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