Uncategorized
- Earth
Extinctions breed carbon chaos
Massive die-off left ecosystems vulnerable, an analysis suggests.
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- Astronomy
Supernova to superfluid
Neutron stars, some of the densest objects in the universe, may be cooled by frictionless liquid sloshing in their cores.
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- Life
Running a cancer roadblock
A new study shows how cells escaping from a breast tumor overcome a piece of RNA that usually stops them.
- Space
First stars may still shine
Simulations suggest some slow-burning remnants of the early universe may still exist.
- Humans
Running past Neandertals
Stone Age humans’ heel bones, more so than those of Neandertals, aided long-distance running.
- Physics
X-raying life’s microscopic machinery
A powerful new laser technique promises to reveal the cell’s molecular components in detailed, 3-D images.
- Health & Medicine
No flu vaccine link to Guillain-Barré syndrome found
A massive study of millions of people in China finds no association between receiving the 2009 H1N1 immunization and developing the rare nervous system disorder.
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- Health & Medicine
Bioengineering better blood vessels
Durable conduits made with a tough protein produced by living cells might improve options for some patients who need heart bypass surgery or kidney dialysis, a new study finds.
- Space
Spacecraft sees signs of 1,200-plus worlds
The Kepler mission releases information on hundreds of newly discovered candidate planets beyond the solar system, including about 50 that could be habitable.
