Scientific American✓

The Department of Health and Human Services is loosening of restrictions on six unproven peptides. These substances have long been touted by biohackers for their purported health benefits, but the evidence is patchy at best

A staggering number of NFL players die with the brain disease CTE. And now new estimates suggest as many as 75 percent of former players are affected.

In John Scalzi’s new book, the real Monsters of Ohio are the friends we made along the way.

The potential for a wider outbreak is low, but experts are still investigating how the disease-causing virus leaped from animals to humans in the first place

It’s Halloween week! To celebrate, we dug into seven spooktacular bat facts—from where they evolved to why some bats may be "super agers"

How much could the midterms change science policy? We examine the debates over health care, climate, public health and research funding that are driving this election cycle.

Located 46 times further away from the sun than Earth and beyond Neptune, a mysterious object may be the sixth dwarf planet ever found in our solar system

Another bombshell result shows how artificial intelligence is fueling fierce competition at the frontiers of math and physics.

A pirate's math for me: How Sir Walter Raleigh’s cannonball question accidentally became a problem that stumped mathematicians

The CDC's deputy director and chief medical officer, Jennifer Shuford, is resigning after just four months in the role. Shuford, a Trump appointee, is an infectious disease expert and had reportedly disagreed with the administration's vaccine policies

OpenAI just dropped more earth-shattering AI-generated math results. But two of them coincided with almost identical work by Anthropic. The ongoing “slop drop” continues to stagger and frustrate experts across math, physics and computer science.

🚨 Do we live in a multiverse? Theoretical physicist Philipp Strasberg is answering all your questions about the Many Worlds theory in an AMA on Reddit right now! Come check it out:

Read his feature, “Why we probably live in a quantum multiverse,” to learn more:

Despite the death of a worker at a Russian plague lab, there are important reasons why we'll probably never see an event like the Black Death again.

Anthropic's S-1 filing offers a glimpse at how the start-up hopes to balance AI discovery and emerging threats: “Moving quickly brings AI’s benefits sooner, but moving too quickly could outrun the world’s ability to make AI systems safe.”

For patients receiving CAR-T therapy, treatment is only one part of the journey. Travel, caregiver support, insurance, manufacturing timelines and follow-up care can all shape access. Researchers and clinicians are exploring ways to make that journey more patient-centered. [Sponsored by @LegendBiotech]

When a 43-year-old man presented with a high fever, fatigue and muscle pain, doctors were stumped—until they did lung scans. A round blotch in his right lung led them to test for an unusual disease: psittacosis, or parrot fever

Plans to put U.S. data centers underwater are alarming ecologists: the noise and heat that annoy people could also stress endangered whales

From cartwheeling snakes to confident preschoolers and missions to Mars, this week’s Science Quickly roundup covers recent science, including on animals, big and small.

Do you feel horrified by clusters of holes or circles? You may have trypophobia. Once dismissed as an Internet meme gone too far, now researchers are homing in on what may be driving this aversion—is it disgust, or fear?