Uncategorized
- Astronomy
Map pinpoints location of invisible dark matter
Dark matter can’t be seen, but a new map shows where it’s hiding. The map confirms that the mysterious matter is concentrated in regions that contain a lot of ordinary matter in the form of galaxy clusters.
By Andrew Grant - Health & Medicine
Genes may influence placebo effect
Certain gene variants may predispose people to experience the placebo effect, which may have implications for clinical trials and personalized medicine.
- Planetary Science
Comet 67P shows no sign of magnetism
Philae found no evidence of a magnetic field on comet 67P/Churyumov-Gerasimenko, but did send back some clues about its rough landing.
- Astronomy
Afterglow alerts astronomers to gamma-ray burst
Astronomers have spotted the remnant glow from a gamma-ray burst without first observing its beam of high-energy gamma rays.
By Andrew Grant - Neuroscience
Marijuana component fights epilepsy
A buzz-free extract of marijuana could help epilepsy patients whose seizures resist other treatments.
By Nathan Seppa - Physics
Rubidium atoms used to record coldest temperature — ever
A swarm of rubidium atoms has been cooled to about 50 trillionths of a kelvin, making it the coldest substance ever measured.
By Andrew Grant - Astronomy
Source of puzzling cosmic signals found — in the kitchen
One type of radio burst has a pretty mundane origin: prematurely opened microwave ovens.
- Environment
Oil from BP spill probably sprayed out in tiny drops
Oil that gushed from the well in the 2010 Deepwater Horizon spill may have shattered into tiny droplets, with high pressures doing the work of dispersants.
By Beth Mole - Paleontology
Fossil reveals terror bird’s power
Bones of a new terror bird confirm the creatures used their beaks to hatchet their prey but also raise questions about what drove the birds extinct.
- Earth
Meeting of the Americas came early, study suggests
Volcanic crystals thought to have formed in Panama and found in an ancient Colombian streambed hint that North and South America may have met up roughly 10 million years earlier than once thought.
- Genetics
Contagious cancer found in clams
A soft-shell clam disease is just the third example of a contagious cancer.
- Planetary Science
A modest Plutonian proposal
Flagstaff, Echidna, Spock. Naming conventions for the landscapes of Pluto and its moons are proposed ahead of the arrival of the New Horizons probe.