News
- Life
Making T cells tougher against HIV
Delivering small interfering RNAs, or siRNAs, to human immune cells in mice protects the cells from HIV and suggests future therapy for patients.
- Humans
Neandertal mitochondrial DNA deciphered
Researchers have completed a mitochondrial genome sequence from a Neandertal. DNA taken from a 38,000-year-old bone indicates that humans and Neandertals diverged 660,000 years ago and are distinct groups.
- Physics
Carbon tubes, but not nano
Trying to grow better, longer nanotubes, researchers accidentally discover a new type of carbon filament, colossal carbon tubes, which are tens of thousands of times thicker.
- Astronomy
Invisible clumps in the galaxy
Model finds dark matter nearby and might shed light on the invisible material’s composition.
- Earth
Naked planet
Scientists officially launch OneGeology, a project that will produce a single digital map of the planet’s geological formations.
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- Space
Surprising signal
Potential contaminant found on Red Planet does not rule out its prospect for habitability.
- Life
Eat less, weigh more
Separate neurons in the nematode brain control eating and fat-building. The discovery may help explain some mysteries of obesity.
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- Life
Time to chill
Well-preserved fossils deposited in an Antarctic lake about 14 million years ago pin down when a large part of the now-icy continent most recently dipped below freezing.
- Health & Medicine
Nanomagnets tackle cancer
Under the influence of an external magnetic field, tiny magnets act as highly localized space heaters, warming to temperatures that kill adjacent cancer cells.
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