All Stories

  1. Humans

    Russia’s nuclear-safety issues spread

    A leading Russian environmentalist, Aleksandr Nikitin, says Russia's problems with nuclear-waste management should concern people beyond that country's borders.

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  2. Humans

    Cutting edge chemistry rushes online

    A new online server offers a place for communicating chemistry research to other scientists quickly and without peer review.

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  3. Health & Medicine

    Do zinc lozenges shorten common colds?

    People taking zinc to fight a cold report less coughing, less nasal discharge, and a shorter cold than do people getting a placebo.

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  4. Health & Medicine

    Coffee linked to rheumatoid arthritis

    People who drink four or more cups of coffee per day appear more likely to get rheumatoid arthritis than are those drinking less.

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  5. Health & Medicine

    Data faked in immune-system study

    A researcher fabricated evidence suggesting that never-before-seen RNA-DNA-hybrid molecules play a role in creating antibodies.

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  6. Health & Medicine

    Sperm just say NO to egg cells

    Sperm fertilizing an egg produce a whiff of nitric oxide.

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  7. Health & Medicine

    Marrow converted into brain cells

    Scientists can now efficiently transform bone marrow into nerve cells.

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  8. Health & Medicine

    Transplanted Hopes

    Islet-cell success may bring a diabetes cure closer.

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  9. 19326

    As a regular platelet-aphaeresis donor, I was alarmed by your article. I would be very curious to know if the standard tubing and centrifuge harness used for aphaeresis contain DEHP. During an aphaeresis session, roughly half the blood of the donor passes through a centrifuge to be relieved of platelets before being returned to the […]

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  10. Earth

    New Concerns about Phthalates

    Boys may face an eventual reproductive risk from exposure to some of the ingredients that go into many common plastics, cosmetics, and medical supplies.

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  11. Earth

    Study gives new answer for muddy mystery

    Geologists provide evidence that quartz silt in ancient seabeds doesn't come from eroded land rocks, but rather from the dissolved skeletons of tiny primitive creatures, possibly altering the fossil record and changing models of prehistoric climate and ocean geography.

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  12. Strep infection sets off tics in some kids

    Some children may have a genetic susceptibility to developing obsessive-compulsive disorder and tic ailments after a streptococcal infection.

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