News
- Humans
Prehistoric people may have used light from fires to create dynamic art
When brought near flickering flames, prehistoric stone engravings of animals seem to move, experiments with replicas and virtual reality show.
- Astronomy
We finally have an image of the black hole at the heart of the Milky Way
Observations from the Event Horizon Telescope reveal the turbulent region around our home galaxy’s black hole, Sagittarius A*, in new detail.
- Earth
Machine learning and gravity signals could rapidly detect big earthquakes
Large earthquakes make speed-of-light adjustments to Earth’s gravitational field. Researchers have now trained computers to detect the signals.
- Animals
Baby marmosets may practice their first distinctive cries in the womb
Ultrasounds tracking fetal mouth movements in baby marmosets pinpoint the early development of the motor skills needed for vocalization.
- Science & Society
Why it’s so hard for a one-hit wonder to have a lasting music career
An analysis of nearly 3 million pop songs from 1959 to 2010 shows fame is a dance between similarity and innovation.
- Astronomy
The sun’s searing radiation led to the shuffling of the solar system’s planets
As the young sun’s radiation evaporated gas from its surrounding disk, it triggered a jumbling of the giant planets’ orbits, simulations suggest.
- Life
These bats buzz like wasps and bees. The sound may deter hungry owls
Researchers have identified what may be the first known case of a mammal mimicking an insect.
- Health & Medicine
How to wash chicken in the kitchen more safely, according to physics
Despite the advice of health experts, most people who cook chicken at home wash it. New research offers ways to reduce spreading dangerous germs.
- Climate
Replacing some meat with microbial protein could help fight climate change
Just a 20 percent substitution could cut deforestation rates and land-use CO2 emissions by more than half by 2050, a new study suggests.
- Oceans
How some sunscreens damage coral reefs
In lab experiments, sea anemones and coral turned oxybenzone into a toxin activated by light. But helpful algae may provide a layer of protection.
- Neuroscience
A very specific kind of brain cell dies off in people with Parkinson’s
Of out 10 kinds of dopamine-making nerve cells, only one type is extra vulnerable in Parkinson’s disease.
- Archaeology
Ancient ‘smellscapes’ are wafting out of artifacts and old texts
In studying and reviving long-ago scents, archaeologists aim to understand how people experienced, and interpreted, their worlds through smell.
