Science News | journali.sm

Hi, we're new here.

We want to make a newsfeed with just news. No bots, no baby pictures, and no weird uncles sharing questionable articles. Just what's happening in the world.

Be sure to sign up or sign in, so you can choose what sources and topics you see in your news feed.

Please take a look around and let us know what you think.

Brain Disease Is Pervasive in N.F.L., New Estimate Suggests

CAROLYN Y. JOHNSON AND JOHN BRANCH

Using statistical techniques, a new study has arrived at a harrowing estimate: Three of four retired pro football players most likely had C.T.E. at death.

Landmark study finds three in four NFL players die with CTE

The staggering new estimate is based on an analysis of thousands of former players' medical records

Kennedy to Allow Broad Use of Unapproved Peptide Injections

CHRISTINA JEWETT

In a unilateral declaration by the health secretary, several injections promoted by online influencers will become widely available. The F.D.A. had advised against the move.

U.S. Restricts Trade With Chinese Genomics Company

REBECCA ROBBINS AND ANA SWANSON

The move will block shipments from BGI, a major Chinese firm that U.S. officials allege is associated with forced labor and the abuse of minority groups.

Can Scientists Make Football Safer?

LYNNE PEEPLES

Researchers are exploring novel ways to treat, even prevent, the brain disease C.T.E. One of the most surprising: near-infrared light.

RFK, Jr., loosens restrictions for six popular peptides, bypassing the FDA

Under the new policy, compounded combinations of these unproven peptides can now be dispensed by certain pharmacies

Can the world’s religions survive the existence of aliens?

Finding alien life could shake some people to their very souls, but different religions can take very distinct approaches to the existence of extraterrestrial life

Scientists can now rewire living brains

The tool could eventually lead to an entirely new approach for treating mental health

Mathematicians find an infinite number of Ramanujan equations

Knots show how to generate infinitely many formulas of a kind developed by the visionary genius

Five things you need to know about the Trump administration’s rollback of methane regulations

The gas is a major driver of climate change

After Reinventing Mathematics, Can A.I. Eradicate Computer Bugs?

CADE METZ

Using the same techniques that allowed A.I. technologies to crack a million-dollar math problem, researchers are building new systems that aim to solve the world’s cybersecurity crisis.

After Flying Past the Moon, an Artemis II Astronaut Lands in California

KENNETH CHANG

Reid Wiseman, now a retired emeritus astronaut, will become deputy director of the Jet Propulsion Laboratory, NASA’s premier center for deep-space robotic missions.

New Batteries That Store Blistering Heat Are Taking Off

BRAD PLUMER

Large batteries that store electricity have revolutionized power grids and car markets. Now some start-ups are betting that “heat batteries” could be just as transformative.

Three Stone Age Caves Reveal Continual Cannibalism

JOSHUA RAPP LEARN

A tour of the three caves in southern Spain suggests that people in the area cannibalized one another as funerary practice over many generations.

Neutrinos Are Everywhere. A Physicist Explains.

STEVEN KURUTZ

Dr. Francis Halzen, the recipient of the Nobel Prize in Physics, sheds some light on the mysterious, subatomic particles that whiz through us every day.