Uncategorized
- Astronomy
Sounds of the universe confirm Big Bang
Two experiments examining the detailed structure of the cosmic microwave background, the relic radiation from the Big Bang, have confirmed the basic model of how cosmologists believe the universe evolved.
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Dormant bacteria may spawn infection
Clinicians' standard methods don't detect the dormant phase of a bacterium that commonly causes urinary tract infections in women.
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Undercooking makes germs strong
Precooking servings to sublethal temperatures before the final cooking actually makes germ killing more difficult.
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“Dirty money harbors bacterial dangers” brought back memories of my beloved grandmother in the 1920s. She always washed and ironed her dollar bills because she considered them to be unsanitary. F. Eleanor Warner Northport, Maine
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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.
