News
- Astronomy
Active supermassive black holes may be rarer than previously thought
A dearth of rapidly growing black holes in new James Webb telescope data raises questions about how these behemoths grow and influence their galaxies.
- Physics
Superconductor research surges forward despite controversy over stunning claims
After retractions from Ranga Dias’ group, high-pressure physicists are feeling the squeeze, fearing the controversy will tarnish other research.
- Neuroscience
Bone marrow in the skull could be used to monitor Alzheimer’s, MS and more
New observations of skull cell signals and skull tunnels suggest bone marrow there could be used to monitor neurological diseases.
- Animals
Adult corals have been safely frozen and revived for the first time
Chunks of living corals could be frozen for safekeeping and revived later to restore reef ecosystems that are withering in warming seas.
- Earth
How thunderstorms can spawn damaging ‘downbursts’
Powerful winds called downbursts are not the same as a tornado, but the damage they cause can be similar — and can hit with little warning.
- Health & Medicine
50 years ago, X-rays provided an unprecedented look inside the brain
CT scans can now image the whole body and are even used in other scientific fields such as archaeology, zoology and physics.
- Health & Medicine
A classical lullaby helped reduce newborns’ pain during heel pricks
Methods to lessen pain for newborns during routine procedures include cuddling and a dose of a sugar solution. Music also appears promising.
- Climate
Arctic sea ice may melt faster in coming years due to shifting winds
A complex dance between Arctic wind patterns and the Atlantic has limited the flow of warmer water north in recent years. That may be about to change.
- Anthropology
Extreme cold may have nearly wiped out human ancestors 900,000 years ago
Ancestral populations had rebounded by about 800,000 years ago, heralding the evolution of people today, a contested DNA analysis suggests.
- Archaeology
Ancient Egyptian jars hint at complex mummification balms
Residue from ancient jars holding the internal organs of the mummy Senetnay hints at early Egyptian trade routes and complex mummification practices.
- Health & Medicine
The weight-loss drug Wegovy may also help treat addiction
Recent studies in mice and rats suggest that semaglutide drugs, like Wegovy, can curb some addictions. Several human trials are underway.
- Neuroscience
Three ways of rejuvenating aging brains may work via the same protein
Three brain rejuvenation methods may exert their effects through the same molecule, at least partly, which could lead to therapies for cognitive decline.
