Life
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We summarize the week's scientific breakthroughs every Thursday.
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LifeHow salmonella helps kill cancer cells
A bacterial foe gives the immune system a boost to seek and destroy melanoma. The findings may point to a vaccine for melanoma and other malignancies.
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LifeOrangutans can mime their desires
Animals’ ability to act out what they want suggests an understanding of others’ perspectives, researchers say.
By Susan Milius -
Health & Medicine‘Miracle’ tomato turns sour foods sweet
Pucker no more: That seems to be one objective of research underway at a host of Japanese universities. For the past several years, they’ve been developing bio-production systems to inexpensively churn out loads of miraculin — a natural taste-altering protein that makes sour foods seem oh so sweet. Their newest biotech reactor: grape tomatoes.
By Janet Raloff -
LifeAphids, abandon ship
Warm, humid mammal breath drives the insects to jump off plants.
By Susan Milius -
LifeRemoving a barrier to regrowing organs
Depleting proteins that prevent cancer allowed heart cells to regenerate in mouse experiments.
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LifeGene licensing stifles R&D
Making research findings private property can stymie innovation down the road, a new study finds.
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Health & MedicineBeneficial 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.
By Janet Raloff -
LifeEmerging disease may wipe out common bat in the Northeast
Hard-hit region could lose little brown myotis to white-nose syndrome within decades
By Susan Milius -
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LifeBullied booby chicks end up OK
In a seabird nest, abuse by older siblings doesn’t hamper fitness.
By Susan Milius -
LifeMarine census still counting new life-forms
The Gulf of Mexico ranked among the top five marine regions for number of known species.
By Susan Milius