News
-
LifeArtificial sweeteners may tip scales toward metabolic problems
The artificial sweetener saccharin meddles with the gut’s microbial community, setting in motion metabolic changes associated with obesity and diabetes.
-
AstronomyTweak to dark matter may explain Milky Way mystery
Dark matter weakly interacting with light in the early universe might have prevented satellite galaxies from forming around Milky Way, astronomers propose.
-
TechHydrogen made using sunlight, cheap materials
Photosynthesis-inspired fuel cell uses water to make hydrogen gas and could feature in next-generation cars.
By Sam Lemonick -
AgricultureDrug-resistant staph can cling to farm workers for days
Agricultural exposure to staph bacteria could threaten the health of laborers and people who live near farms, a study of pig farm workers suggests.
By Beth Mole -
Health & MedicineMass EKG screening for athletes inadvisable, panel says
Only athletes with warning signs of cardiac problems should be tested with electrocardiograms, according to the American Heart Association and American College of Cardiology.
By Laura Beil -
Particle PhysicsEvidence for new Higgs-related particle fades away
A close look at data from the Large Hadron Collider finds no evidence that the Higgs boson decays into a new, unknown particle.
By Andrew Grant -
LifeVagina bacteria make molecules that could be drugs
Microbes on the human body are capable of producing thousands of small molecules that hold potential as drugs.
-
EarthWarming alone triggered Antarctic ice shelf collapse
Warming surface temperatures, not an unstable foundation, probably doomed Antarctica’s Larsen B ice shelf.
-
Health & MedicineExperimental herpes drug outperforms first-line med
An experimental treatment for genital herpes suppresses the viral infection better than the standard drug, but animal tests raise concerns about side effects.
By Nathan Seppa -
PaleontologyLost-and-found dinosaur thrived in water
Fossils pieced together through ridiculous luck reveal Spinosaurus to be the only known dinosaur adapted for regular ventures into water.
By Susan Milius -
Health & MedicineClinical trial reanalyses may alter who should get treated
Reanalyses of clinical trial data sometimes lead to different treatment suggestions.
-
PaleontologyFossils push back origins of modern mammals
Fossils of three newly identified early mammals from China suggest that the common ancestor of today’s mammals lived over 200 million years ago.
By Meghan Rosen