Life
We summarize the week's scientific breakthroughs every Thursday.
- Anthropology
Genome of a chief
Ancient DNA experts say they are analyzing a lock of Sitting Bull's hair.
- Life
Muscles remember past glory
Extra nuclei produced by training survive disuse, making it easier to rebuild lost strength.
- Life
New titi monkey, at last
Travel risks in parts of Colombia had kept primatologists out for decades.
- Health & Medicine
Delivering a knockout
Scientists have finally succeeded in genetically engineering rats.
- Life
How 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.
- Life
Orangutans can mime their desires
Animals’ ability to act out what they want suggests an understanding of others’ perspectives, researchers say.
- 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.
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- Life
Removing a barrier to regrowing organs
Depleting proteins that prevent cancer allowed heart cells to regenerate in mouse experiments.
- Life
Gene licensing stifles R&D
Making research findings private property can stymie innovation down the road, a new study finds.
- 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
