Medicine
Should You Get a Blood Test For Alzheimer's?
Consumers can now get easy tests for Alzheimer’s. But these tests may not really help patients that much–yet.
Stories by Carin Leong
Inequality
The Father of Environmental Justice Reflects on the Movement He Helped to Start
Four decades into his activism, Robert Bullard looks back on his legacy and the work ahead.
Planetary Science
Ada Limón’s Poem for Europa, Jupiter’s Smallest Galilean Moon
U.S. Poet Laureate Ada Limón discusses her involvement in NASA’s Europa Clipper mission and the inspiration behind her poem, which will travel onboard the spacecraft.
Public Health
This Tick Bite Makes You Allergic to Red Meat
The bite of the lone star tick makes people allergic to a sugar found in mammalian products, and many doctors don’t know about it.
Cognition
Hearing Aids Stave Off Cognitive Decline
Hearing aids may help maintain better brain functions in older people and better health overall.
Defense
Here’s What Oppenheimer Gets Right—And Wrong—About Nuclear History
Here’s what a historian who has studied J. Robert Oppenheimer for two decades has to say about the new Christopher Nolan film on the father of the atomic bomb.
Public Health
How Stress Messes With Your Gut
Inflammatory bowel disease flare-ups can be traced to mental stress
Health Care
Doctor AI Will See You Now
ChatGPT and other AI programs can offer medical advice. But how good are they?
Astronomy
Have Astronomers Seen the Universe’s First Stars?
The James Webb Space Telescope is giving us our first glimpse of stars in the early universe.
Mathematics
Cleo, the Mysterious Math Menace
In 2013 a new user named Cleo took an online math forum by storm with unproved answers. Today she’s an urban legend. But who was she?
Natural Disasters
Five Things You Need to Know about Wildfire Smoke Right Now
Where is it coming from? How long will it last? What's in the smoke? Whose health is at risk? How do you clean your own air?
