All Stories
- Animals
Ant sperm swim as a team
The desert ant has sperm that swim in bundles for extra speed, perhaps increasing their likelihood of fertilizing an egg.
- Health & Medicine
Number of skin moles tied to breast cancer risk
Women who have many moles also have increased disease risk, which may reflect higher estrogen levels.
- Health & Medicine
Bacteria linked to stress-induced heart attacks
Bacteria may play an underlying role in heart attacks brought on by stress.
- Animals
Winter road salting reshapes next summer’s butterflies
Winter road salt treatments boost sodium in roadside plants and alter development for monarch butterflies.
- Animals
Deadly bat disease gets easier to diagnose
White-nose syndrome in bats can be spotted with UV light, scientists have found.
- Life
Oxytocin stimulates repair of old mice’s muscles
The naturally produced hormone oxytocin, well known for its role in social bonding, may help heal injured muscles in the elderly.
- Astronomy
Stopping starlight may bring other Earths into focus
Two new telescope concepts compete for NASA’s approval, in hopes of taking the first picture of a life-bearing exoplanet.
- Agriculture
Fertilizer produces far more greenhouse gas than expected
Farmers’ overuse of nitrogen-based fertilizers may explain previously puzzling high emissions of nitrous oxide.
- Health & Medicine
Anesthesia linked to effects on children’s memory
Undergoing anesthesia as an infant may impair a person's ability to recall details later in life, a new study suggests.
- Humans
There’s more to acing interviews than holding the vocal fry
A new study of vocal fry, a low razz in human speech, suggests job interviewees might want to hold the fry. But there's more to a job interview than a little vocal sizzle.
- Astronomy
Hubble space telescope spies teenage galaxies
New Hubble telescope images show ultraviolet radiation from stars born during the universe’s adolescent phase.
- Neuroscience
Rats feel regret, experiment finds
When they turn down a good meal for a lesser one, rodents regret their choice, a study suggests.
