Uncategorized
- Particle Physics
Neutrinos’ maximum possible mass shrinks further
The KATRIN experiment in Germany nearly halved the maximum possible mass for neutrinos, setting it at 0.45 electron volts.
- Anthropology
Denisovans inhabited Taiwan, new fossil evidence suggests
An expanding geographic range for these close Neandertal relatives leaves Denisovans' evolutionary status uncertain.
- Health & Medicine
A shadowy market for weight-loss drugs has emerged online
People are buying semaglutide and tirzepatide, the key ingredients in Ozempic and Zepbound, from unconventional sources. Doctors have safety concerns.
- Neuroscience
Memory manipulation is the stuff of sci-fi. Someday it could be real
Experiments point to how scientists can strengthen or weaken memories, which may eventually lead to treatments for Alzheimer’s disease or PTSD.
- Climate
A lush, green Arabian Desert may have once linked Africa and Asia
Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.
- Archaeology
Stone Age hunter-gatherers may have been surprisingly skilled seafarers
New archaeological finds in Malta add to an emerging theory that early Stone Age humans cruised the open seas.
- Computing
New computer chips do math with light
Two companies have announced photonic devices that could solve specific real-world problems faster and with less energy than conventional computers.
- Anthropology
Rare books covered with seal skin hint at a medieval trade network
The furry seal skins may have made their way to French monasteries from as far away as Greenland.
- Health & Medicine
The U.S. measles outbreak shows no signs of slowing
As a second Texas child dies from the preventable disease, HHS Secretary Kennedy is now urging measles vaccination yet still touting unproven treatments.
- Climate
Solar geoengineering moves into the spotlight as climate concerns grow
As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.
- Archaeology
Ancient Arabian cymbals ring up Bronze Age musical connections
Copper instruments discovered at a 4,000-year-old site in Oman echo ritual influences from South Asia.
- Plants
Some tropical trees act as lightning rods to fend off rivals
Though being struck by lightning is usually bad, the tropical tree Dipteryx oleifera benefits. A strike kills other nearby trees and parasitic vines.
