News
- Animals
Why do some lizards and snakes have horns?
These reptiles’ horns can be an asset or a liability. A new study looks at the evolutionary roots of this wild headgear.
- Health & Medicine
A gene editing technique shows promise for lowering LDL cholesterol
In a trial of 10 people with familial hypercholesterolemia, a genetic medicine reduced levels of LDL cholesterol in the blood by up to 55 percent.
- Astronomy
How tiny red stars can test ideas about the origin of life
A survey of ultracool dwarf stars finds they don’t emit enough UV light to kick-start life, but they could reveal other ways for life to get going.
- Anthropology
Spanish horses joined Indigenous South Americans’ societies long before Europeans came to stay
By the early 1600s, hunter-gatherers at the continent’s southern tip adopted horses left behind by colonial newcomers, new finds suggest.
- Health & Medicine
The first CRISPR therapy approved in the U.S. will treat sickle cell disease
In the world’s first CRISPR-based treatment, genetic tweaks to red blood cells aim to help people with the often debilitating disease.
- Neuroscience
Electrical brain implants may help patients with severe brain injuries
After deep brain stimulation, five patients with severe brain injuries improved their scores on a test of cognitive function.
- Planetary Science
Giant polygon rock patterns may be buried deep below Mars’ surface
A Chinese rover used radar to reveal long-buried terrain that might hint that Mars’ equator was once much colder and wetter.
- Archaeology
A mysterious ancient grave with a sword and mirror belonged to a woman
The items hint that she fought in or helped plan raids and defensive actions in what’s now southwestern England about 2,000 years ago, scientists speculate.
- Climate
A new UN report lays out an ethical framework for climate engineering
The report’s release, which coincides with COP28, weighs the ethics of using technological interventions to mitigate climate change.
- Animals
Fish beware: Bottlenosed dolphins may be able to pick up your heartbeat
Fish, sharks and platypuses are adept at sensing electrical signals living things give off. Bottlenosed dolphins make that list too, studies suggests.
- Animals
These nesting penguins nod off over 10,000 times a day, for seconds at a time
Micronaps net chinstrap penguins over 11 hours of sleep a day, offering some rest while staying vigilant against predators and competitors.
- Earth
Before ancient Egyptians, nature sculpted sphinxes. Here’s how
Steady winds can carve landforms called yardangs — thought to have inspired the Great Sphinx of Gaza — from featureless blobs, a new study suggests.
