News
- Earth
Critics say an EPA rule may restrict science used for public health regulations
Editors of six major scientific journals argue that a rule proposed by the U.S. EPA may keep key data from factoring into environmental regulations.
- Health & Medicine
A dose of ketamine could lessen the lure of alcohol
Ketamine may weaken wobbly memories of drinking, a trick that might ultimately be useful for treating alcohol addiction.
- Health & Medicine
A protein helps disease-causing immune cells invade MS patients’ brains
Blocking the protein may hinder B cells invading the brain in multiple sclerosis, a study in mice and ‘stand-in’ human brain barriers finds.
By Sofie Bates - Climate
Most Americans now see signs of climate change where they live
In a Pew Research survey, most Americans said the U.S. government isn’t doing enough to counter climate change amid local weather extremes.
- Astronomy
19 more galaxies mysteriously missing dark matter have been found
The finding reveals a population of dwarf galaxies that defy common wisdom about how these star systems form and evolve.
- Physics
Mounting evidence suggests neutrinos are key to why antimatter is rare
The source of matter’s dominance over antimatter might be revealed by the tiny subatomic particles.
- Archaeology
A carved rock found in Jordan may be the oldest known chess piece
The 1,300-year-old game piece, which resembles a rook, or castle, was found at an Early Islamic trading outpost.
By Bruce Bower - Planetary Science
Ribose, a sugar needed for life, has been detected in meteorites
Samples of rocks that fell to Earth contain a key molecular ingredient of RNA, part of life’s genetic machinery.
- Archaeology
An AI found a hidden Nazca Line in Peru showing a humanoid figure
An artificial intelligence program designed to go through massive datasets for hints of ancient geoglyphs called Nazca Lines has discovered a new one.
- Climate
The loss of ‘eternal ice’ threatens Mongolian reindeer herders’ way of life
Mongolian reindeer herders help scientists piece together the loss of the region’s vital “eternal ice” patches.
- Space
How two gamma-ray bursts created record-breaking high-energy photons
Light packing up to 1 trillion electron volts of energy bolsters a theory for how these cosmic explosions produce such high-energy radiation.
- Health & Medicine
Dengue cases in the Americas have reached an all-time high
There have been more dengue cases in the Americas this year than ever before, according to the Pan American Health Organization.