News

  1. Earth

    Ancient tree rings reveal past climate

    Using tree-ring analysis, an international team of researchers has reconstructed the earliest record of annual climate variation.

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  2. Health & Medicine

    Urine tests can foretell bladder cancers

    U.S. and Chinese researchers find that two unconventional urine tests can often predict when a person is developing bladder cancer even before tumors appear.

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  3. Astronomy

    Starry Data Support Revved-Up Cosmos

    Astronomers have confirmed one of the weirdest properties of the universe: Some mysterious force is pushing galaxies apart at a faster and faster rate.

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  4. Dyslexia gets a break in Italy

    Although dyslexia involves a common disruption of reading-related brain activity, the reading performance of people with dyslexia appears to improve if they use a language that has consistent spelling rules.

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  5. Depression linked to heart deaths

    In a community sample, people suffering from moderate to severe depression exhibited an elevated death rate from heart disease over a 4-year study period, even if they had no discernable heart disease to begin with.

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  6. Gene found for chloroplast movement

    Scientists have found the gene that directs chloroplasts to dance out of a cell's shaded edges to soak up the sun or back into that shade when the light is too intense.

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  7. DNA-cutting enzyme looks like scissors

    One type of restriction enzyme not only cuts a DNA strand but also looks like a pair of scissors.

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  8. Distressed amoebas can call for help

    Amoebas having trouble dividing produce a chemical signal that draws other amoebas to the scene.

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  9. Earth

    POPs in the butter

    Governments may be able to monitor trends in the release and transport of persistent organic pollutants by sampling butter.

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  10. Earth

    Leaden calcium supplements

    Consuming calcium along with lead limits, and may prevent, the body's absorption of the toxicant.

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  11. Did males get bigger or females smaller?

    It's time to stop assuming that standard gender differences in birds come from males getting bigger rather than from females getting smaller.

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  12. Physics

    Frigid ‘dynamite’ assembles into superatom

    Although it's now the fifth element to be made into the strange state of ultracold matter known as Bose-Einstein condensate, helium may prove to be the most revealing so far because of unusually high energies within the newly condensed atoms.

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