2,414 results
- Ecosystems
Flowering plants welcome other life
When angiosperms diversified 100 million years ago, they opened new niches for ants, plants and frogs.
- Anthropology
African pygmies may be older than thought
A new DNA analysis indicates that pygmy hunter-gatherers and farming groups in Africa diverged from a common ancestral population around 60,000 years ago.
- Life
Fly fountain of youth
Hanging out with young, healthy flies helps fruit flies with a mutation that causes neurodegeneration live longer.
- Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
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Aging Factor: Gene mutations may be key to long life
Some centenarians carry mutations in a pathway associated with longevity in worms and fruit flies.
- Health & Medicine
Dangers of biomedical plagiarism
The bogus data present in plagiarized biomedical papers is not just an ethical lapse, but also a threat to effective medicine.
- Agriculture
Gut bacteria ally with Bt
A new study finds that a particular microbe makes caterpillars susceptible to the insecticide.
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Building Beauty
Deconstructing flowers yields the secrets of petals, scents and hue.
- Life
Fat cells also linked to prion infection
Disease-causing misfolded proteins at home in a growing list of tissues, organs.
- Health & Medicine
Neuron Killers
Misfolded, clumping proteins evade conviction, but they remain prime suspects in neurodegenerative diseases.
- Life
Viruses rewritten
Scientists could create wimpy versions of real viruses to develop vaccines for emerging diseases.
- Health & Medicine
A chink in flu’s armor
Finding the shape of a protein that enables the flu virus to replicate points to ways to combat the disease.
