News
- Planetary Science
A giant planet may orbit our closest sunlike neighbor
Alpha Centauri A, four light-years from Earth, may host a gas giant. If confirmed, no Earthlike planets orbit in the star’s habitable zone.
- Archaeology
This ancient Siberian ice mummy had a talented tattooist
Researchers reconstructed a roughly 2,000-year-old woman’s tattoos, from prowling tigers to a fantastical griffinlike creature.
- Archaeology
7 stone tools might rewrite the timeline of hominid migration in Indonesia
Excavated implements suggest a Homo species arrived on Sulawesi over 1 million years ago, before a nearby island hosted hobbit ancestors.
- Plants
A newly discovered gene helped this moss defy gravity
A gene called IBSH1 helped spreading earthmoss thrive at high gravity, hinting at how plants adapted to photosynthesize on land.
- Genetics
This snail may hold a secret to human eye regeneration
Golden apple snails can regrow full, functional eyes. Studying their genes may reveal how to repair human eye injuries.
- Plants
These plants build ant condos that keep warring species apart
The unique architecture of some ball-like plants high in trees in Fiji lets violent ants live peacefully and feed the plant with valuable droppings.
- Artificial Intelligence
The U.S. government wants to go ‘all in’ on AI. There are big risks
Government agencies are rapidly adopting AI, but experts warn the push may outpace privacy safeguards and leave data vulnerable to leaks and attacks.
- Health & Medicine
What is the best exercise to improve sleep?
An analysis of 30 trials delivered a surprising twist: One exercise outperformed walking, resistance training and aerobic exercise in the treatment of sleep disorders such as insomnia.
- Health & Medicine
Higher colon cancer rates may reflect earlier screening success
The recommended age for starting colorectal cancer screening is now 45. That shift may explain a rise in early cases.
- Animals
The mystery of melting sea stars may finally be solved
A bacterium called Vibrio pectenicida may be melting sea stars along North America’s Pacific coast.
- Astronomy
Seven superclouds sit just beyond the solar system
The superclouds probably produce star-forming clouds of gas, since most nearby stellar nurseries are located within the giants.
- Health & Medicine
Some probiotics could feed, rather than fend off, infections
Probiotics containing Lactobacillus gasseri Lg-36 prevented C. difficile infections in mice, but L. acidophilus probiotics made infection more likely.
