Health & Medicine
- Tech
Plenty of foods harbor BPA, study finds
Some communities have banned the sale of plastic baby bottles and sippy cups that are manufactured using bisphenol A, a hormone-mimicking chemical. In a few grocery stores, cashiers have already begun donning gloves to avoid handling thermal receipt paper whose BPA-based surface coating may rub off on the fingers. But how’s a family to avoid exposure to this contaminant when it taints the food supply?
- Health & Medicine
MRIs pinpoint time of stroke
Doing a magnetic resonance scan promptly when a patient arrives at a hospital could render more patients eligible for a time-sensitive clot-busting therapy that can limit brain damage.
- Chemistry
Skin is no barrier to BPA, study shows
The new finding suggests handling store receipts could be a significant source of internal exposure to the hormone-mimicking chemical.
- Health & Medicine
The fingers don’t lie
The brain has at least two copy editors, typing experiments show.
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- Life
1000 Genomes pilot a hit with geneticists
The first stage of a project to probe human genetic diversity has found millions of new variations.
- Health & Medicine
Pancreatic cancer years in the making
A decade elapses from the first cancer-related mutation to tumor formation, and several more years pass until the disease spreads to other organs, a new study finds. The work raises the possibility that a usually deadly malignancy can be treated before it’s too late.
- Chemistry
Breathe better with bitter
Taste receptors in the lungs open airways in response to acrid gases.
- Health & Medicine
Pet frogs can transmit salmonella
A CDC investigation adds a common aquarium species to the list of amphibians that can carry and spread bacteria.
- Health & Medicine
Anticancer protein might combat HIV
The tumor suppressor p21 shows up in abundance in some people who are impervious to developing AIDS despite being infected, a study shows.
- Math
Marathoning made easy
Or at least endurable, by calculating and then keeping to a physiologically sustainable pace.
- Health & Medicine
Protein implicated in many cancers
A hormone receptor that shows up in 11 tumor types might make a good target for drugs, a new study suggests.
