All Stories
- Astronomy
Galactic split provides clue to dark matter mystery
An oddly divided galaxy may provide the first evidence that dark matter particles interact through a force other than gravity.
By Andrew Grant - Neuroscience
Nicotine exposure escalates rats’ desire for alcohol
Rats drink more alcohol after they’ve been hooked on nicotine.
- Plants
From lemons to kumquats, roots of citrus variety dug up
Citrus fruits’ lineage is traced through chloroplast DNA, revealing both maternal and paternal heritage.
- Astronomy
Map pinpoints location of invisible dark matter
A new map shows that dark matter is concentrated in regions that contain a lot of ordinary matter in the form of galaxy clusters.
By Andrew Grant - 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
Atmospheric water may be giving Saturn its spots
Planetary scientists think that water in Saturn’s atmosphere could be driving the massive storms that appear every few decades in the ringed planet’s atmosphere.
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Flight delayed: There’s a coyote on the runway
A new study tallies up airport incidents involving carnivores and finds coyotes are the biggest threat.
- 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