All Stories
- Astronomy
Giant rings encircle young exoplanet
Stretching 90 million kilometers from their center, 37 stripes of dust around exoplanet were probably crafted by moons.
- Animals
How a spider spins electrified nanosilk
The cribellate orb spider (Uloborus plumipes) hacks and combs its silk to weave electrically charged nanofibers, a new study suggests.
- Cosmology
Dust erases evidence for gravity wave detection
The claimed detection of primordial gravitational waves does not hold up after taking into account galactic dust, a new analysis concludes.
By Andrew Grant - Astronomy
Neptune-like worlds could become habitable
Mini-Neptunes can drift toward their stars and lose their atmospheres, leaving behind ice-rich rocky cores that can become watery worlds.
- Health & Medicine
Even when correct, diagnoses can harm kids
Overdiagnosis is well documented in adults but is often overlooked in children and can lead to unnecessary treatments.
- Neuroscience
Chicks show left-to-right number bias
Recently hatched chicks may have their own version of the left-to-right mental number line.
By Susan Milius - Genetics
Pregnancy in mammals evolved with help from roving DNA
DNA that “jumped” around the genome helped early mammals shift from laying eggs to giving birth to live young.
- Neuroscience
Newly identified brain circuit could be target for treating obesity
In mice, specific nerve cells control compulsive sugar consumption, but not normal feeding, hinting at a new therapeutic target for treating obesity.
- Plants
Plant chemical weaponry may offer ammunition for pesticides
Chemicals produced by two plant species disrupt insect hormone pathways and could be developed in to efficient, safe pesticides.
- Health & Medicine
Ebola vaccine performs well in U.K. human trial
A vaccine that protects against the Zaire strain of Ebola turns in promising preliminary results from a human trial.
- Astronomy
Oldest solar system unearthed by Kepler
Five rocky planets orbit the 11.2-billion-year-old star Kepler 444, suggesting that Earth-sized worlds formed in the early universe.
- Earth
‘Island on Fire’ recounts enormous 18th century eruption
The 18th century eruption of Iceland’s Laki volcano spewed sulfurous gases that briefly cooled the globe and probably contributed to the early deaths of tens of thousands of people.
By Sid Perkins