News
- Environment
Emissions of a banned ozone-destroying chemical have been traced to China
Since 2013, eastern China has increased its annual emissions of a banned chlorofluorocarbon by about 7,000 metric tons, a study finds.
- Plants
Some plants use hairy roots and acid to access nutrients in rock
Shrubs in mountainous areas of Brazil have specialized roots that secrete chemicals to extract phosphorus from rock.
- Animals
Bad moods could be contagious among ravens
Ravens may pick up and share their compatriots’ negativity, a study on the social intelligence of these animals suggests.
- Physics
The kilogram just got a revamp. A unit of time might be next
After years of preparation, new definitions for the basic units of mass, temperature and more have now gone into effect.
- Paleontology
This early sauropod went from walking on four legs to two as it grew
A new computer analysis shows how Mussaurus patagonicus' center of gravity changed as the dinosaur grew.
- Health & Medicine
How allergens in pollen help plants do more than make you sneeze
A plant’s view of what humans call allergens in pollen grains involves a lot of crucial biology. And sex.
- Genetics
Key parts of a fruit fly’s genetic makeup have finally been decoded
Jumping genes may make it possible to divvy up chromosomes.
- Quantum Physics
An experiment hints at quantum entanglement inside protons
Particles inside protons seem to be linked on a scale smaller than a trillionth of a millimeter.
- Animals
Vaccines may help bats fight white nose syndrome
Researchers are developing an oral vaccine that helps little brown bats survive the fungal disease white nose syndrome.
- Health & Medicine
Does eating ultraprocessed food affect weight gain? It’s complicated
Laying off ultraprocessed foods and switching to whole foods may help some people manage their weight, a small study finds.
- Life
Bloodthirsty bedbugs have feasted on prey for 100 million years
Research sheds light on the evolutionary history of the bloodsucking bedbugs. The first species evolved at least as early as the Cretaceous, scientists say.
- Anthropology
Fossil teeth push the human-Neandertal split back to about 1 million years ago
A study of fossilized teeth shifts the age of the last common ancestor between Neandertals and humans.
