News in Brief
- Astronomy
Galaxy drags trail of stars behind it
A Hubble Space Telescope image shows the galaxy ESO 137-001 dragging star trails behind it as it plows through the Norma galaxy cluster.
- Neuroscience
Music doesn’t move some people
One study offers a glimpse into those who find no enjoyment in tunes.
- Physics
Material’s magnetism tuned by temperature
Layered substance may lead to more reliable hard drives in the future.
By Andrew Grant - Tech
Shining a light on radio waves
A new device detects faint signals by first converting them to laser pulses.
- Health & Medicine
HPV vaccination proves its worth in Australia
A study in Australia finds the shots are already reducing cases of abnormal cervical lesions.
By Nathan Seppa - Anthropology
Human ancestors at West Asian site deemed two species
Researchers see two species instead of one at oldest known Homo site outside Africa.
By Bruce Bower - Astronomy
Pulsar pulverizes an asteroid
The steady beat of a pulsar may occasionally be interrupted by collisions with asteroids.
- Health & Medicine
Acetaminophen use in pregnancy linked to kids’ slightly higher risk of ADHD
A large analysis shows an association between acetaminophen use in pregnancy and slightly higher risks of ADHD, but it does not prove the pain reliever causes the disorder.
By Nathan Seppa - Environment
Legionnaires’ disease bacteria lurk in tap water
Found in nearly half of faucets, contamination could explain sporadic cases of disease.
By Beth Mole - Health & Medicine
Mesh best for hernia repair
Data from nine studies show fewer recurrences than fixes with sutures only.
By Nathan Seppa - Astronomy
While exploding, supernovas not spherical
X-rays reveal uneven allotment of element made by blowup.
By Andrew Grant - Health & Medicine
Highlights from the International Stroke Conference
Clotting risk after pregnancy, driving after a stroke and more presented February 12-14 in San Diego.
By Nathan Seppa