Life
- Plants
Chlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
- Life
Gene profiles may predict TB prognosis
A molecular profile may help doctors predict who will get sick from TB infections.
- Earth
Perforated blobs may be early sponges
Odd shapes in Australian rocks could be the oldest fossil evidence of multicellular animals.
- 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.
