Uncategorized
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Dirty money harbors bacterial dangers
More than half of 68 dollar bills collected at a high school sporting event and a grocery store in Ohio hosted bacteria that commonly infect poeple in hospitals or those with depressed immune systems.
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Breast milk battles thrush in infants
Human breast milk inhibits the growth of yeast spores, the source of the painful fungal infection of the mouth and throat that can be deadly for infants with AIDS.
- Health & Medicine
Heart disease linked to clotting gene
African Americans with a mutation in a blood-clotting gene have a sixfold increase in the risk of heart disease, but this is not the case for white Americans with the same mutation.
- Health & Medicine
Statins’ structure blocks cholesterol
X-ray crystallography shows that statins impede the build-up of cholesterol by physically blocking the binding site of an enzyme important for cholesterol production.
- Earth
Nations sign on to persistent-pollutants ban
The United States joined 126 other nations in signing a treaty to ban or phase out a dozen persistent and toxic pollutants.
- Ecosystems
Parrot survey finds poaching but also hope
The largest review yet of wild parrot nesting finds poaching worrisomely frequent but also sees cause for hope in the efects of a U.S. protection law.
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Teens’ ADHD treatment gets low-dose boost
Teenagers diagnosed with attention-deficit hyperactivity disorder may reap substantial academic benefits from treatment that combines behavioral training with low doses of stimulant medication.
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Gene variations police the storage of fat
Researchers have uncovered genetic variations controlling a calorie-draining spigot in the body.
- Earth
Salmon hatcheries can deplete wild stocks
Hatchery fish appear to be replacing wild salmon populations in the Columbia River.
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“Salmon hatcheries can deplete wild stocks” ignores a basic fact. Hatchery stocks came from wild stocks. Their DNA is the same. There is an abundance of underused habitat in our northwest rivers. Some hatchery salmon would use these habitats if they were left alone. Instead, hatchery fish are clubbed to death to prevent their mixing […]
- Planetary Science
Asteroid Eros poses a magnetic puzzle
Measurements with a magnetometer aboard the NEAR-Shoemaker spacecraft a few days after it landed on the asteroid 433 Eros confirmed a major puzzle: The rock has no detectable magnetic field.
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Insects deploy sticky feet with precision
Sticky ant and bee footpads retract and unfold in time with insect steps, so the insects don't trip over their own sticky feet.
