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  1. 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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  2. 18922

    “Dyslexia gets a break in Italy” brought to mind a remark I learned in grade school decades ago. It is: In English, the word fish can be spelled ghoti. That’s gh as in tough, o as in women, and ti as in nation: “ghoti” = “fish.” English can be difficult. Norman C. Peterson Sata Monica, […]

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  3. 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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  4. 18921

    Depression is a common symptom of magnesium deficiency. Heart attacks, including fatal heart attacks, are also a common symptom of magnesium deficiency. It is thus no surprise that depressed people have a higher-than-normal rate of fatal heart attacks. Bernard Rimland Autism Research Institute San Diego, Calif.

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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. 18920

    I was disappointed in “Blood relatives.” It ignored the pioneering work by people at the company Somatogen, now known as Baxter Hemoglobin Therapeutics. They first published work on a recombinant hemoglobin for use as a blood substitute in Nature in 1990. Later, they demonstrated definitively that many of the problems associated with blood substitutes were […]

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  12. Health & Medicine

    Blood Relatives

    After decades of research, several companies are about to release the first line of artificial blood products.

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