News
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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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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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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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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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Distressed amoebas can call for help
Amoebas having trouble dividing produce a chemical signal that draws other amoebas to the scene.
- Earth
POPs in the butter
Governments may be able to monitor trends in the release and transport of persistent organic pollutants by sampling butter.
- Earth
Leaden calcium supplements
Consuming calcium along with lead limits, and may prevent, the body's absorption of the toxicant.
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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.
- 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.
- Health & Medicine
Veggies prevent cancer through key protein
An international team of researchers has identified a protein that helps compounds in some vegetables prevent cancer.
- Astronomy
Some of galaxy’s dark matter comes to light
A new study adds to the evidence that astronomers have unveiled some of the dark matter in our galaxy and that it's pretty ordinary stuff—white dwarfs, the cold, compact embers of low-mass stars.
- Earth
Thick ice scraped rock bottom in Arctic
Scuffs, scrapes, and gouges found atop undersea plateaus and ridges in the Arctic Ocean suggest that kilometer-thick ice shelves covered much of the ocean there during some previous ice ages.
