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Real-world medical questions stump AI chatbots

Brain responses to wildlife images can forecast online engagement—and help conservation messaging

Double white dwarf system detected in a nearby stellar cluster

Proton's width measured to unparalleled precision, narrowing the path to new physics

Growing evidence that freshwater wildlife is impacted by microplastics

Nanoengineers realize an on-chip excitonic hyperlens

Toxic metals found in bananas after Brazil mining disaster

Video: This powder could rescue antibiotics

Extra school roles can boost teachers' job satisfaction when balanced within existing hours, easing teacher shortages

Is social media addictive? How it keeps you clicking and the harms it can cause

Play reduces stress and lifts well-being—and adults benefit as much as children do

Ancient DNA solves 12,000-year-old mystery of rare genetic growth disorder

Genomics: Decoding the blueprints for Australia's biodiversity

New research calls for 'heat literacy' in Australia

Warming winters are disrupting the hidden world of fungi—the result can shift mountain grasslands to scrub

Ultra-fast pulsar found near the Milky Way’s supermassive black hole

Preserving fading history in the Florida Keys

Why privatizing public land won’t solve the housing crisis

What are JWST’s Little Red Dots? Astronomers may finally have an answer

This mathematician proved the random walk theorem to clear his name as a lurker

The ghost in the machine

Strange special relativity effect observed for the first time

Science crossword: What’s inside?

Readers respond to the November 2025 issue

Polyamory isn’t all about sex

Poem: ‘Boulders at Hickory Run’

Photographer finds thousands of Triassic dinosaur prints on sheer mountain cliffs

Moving to a walkable city can add 1,100 steps to your day

Math puzzle: The sum of all circles

March 2026: Science history from 50, 100 and 150 years ago

How one chemist is using AI and robots to automate lab experiments

How artist Stephanie Dinkins is trying to fix AI bias

How Stanford doctors use AI scribes to cut paperwork and focus on patients

How AI helps this civil rights lawyer beat the Feds

How AI copilots became everyday infrastructure

Deepfakes are getting faster than fact-checks, says digital forensics expert Hany Farid

Dealing with stress-caused sickness in family caregivers

AI Is entering health care, and nurses are being asked to trust it

A veteran teacher explains how to use AI in the classroom the right way

Dream hacking helps people solve complex problems in their sleep

Scientists discover brain switches that clear Alzheimer’s plaques

What's Minnesota's largest raptor? Hint: it might not be the bald eagle

A yeast enzyme helps human cells overcome mitochondrial defects

Elusive lithium-ion anode binder finally seen with pioneering technique

Tropical forests generate rainfall worth billions, study finds

Quantum sensor research advances the pursuit of dark matter

AI model learns yeast DNA 'language' to boost protein drug output

Mysterious RNA led scientists to a hidden layer of cancer

The surprisingly simple flaw that can undermine quantum encryption

Nearly 200,000 people reveal the real key to heart health