Life
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Beneficial bacteria may protect babies from HIV
No one argues that when it comes to feeding baby, mom’s milk is best. But mothers infected with HIV, the AIDS virus, face a dilemma: Because some of their virus can be shed in breast milk, babies risk becoming infected as they drink it. Two research teams are now investigating a germ-warfare strategy to treat such vulnerable infants.
- Life
Emerging disease may wipe out common bat in the Northeast
Hard-hit region could lose little brown myotis to white-nose syndrome within decades
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- Life
Bullied booby chicks end up OK
In a seabird nest, abuse by older siblings doesn’t hamper fitness.
- Life
Marine census still counting new life-forms
The Gulf of Mexico ranked among the top five marine regions for number of known species.
- Life
Disabling cellular assassin prevents cancer
A counterintuitive experiment may help explain why survivors are more vulnerable to other malignancies later in life.
- Life
For ducks, penis length depends on the other guys
Male genitals grow longer with more competition from other males.
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- Life
Lemurs on contraceptives don’t smell right
Birth control disrupts female odors used in mating and other social situations.
- Life
Genetics redraws marsupial family tree
A new analysis traces the group’s origin to South America.
- Health & Medicine
‘Housekeeping’ proteins may set aging limit
Aging cells may seal their fate by keeping worn-out proteins when they sprout offspring.
