
Chemical Health Risks from the Ohio Train Accident—What We Know So Far
A train carrying toxic and combustible materials derailed recently in Ohio. Here’s what we know about the situation—and what we can’t know yet

Chemical Health Risks from the Ohio Train Accident—What We Know So Far
A train carrying toxic and combustible materials derailed recently in Ohio. Here’s what we know about the situation—and what we can’t know yet

Do Repeat COVID Infections Increase the Risk of Severe Disease or Long COVID?
Many repeat infections are mild, but some studies suggest people who have been infected with COVID more than once are at a greater risk of severe disease or long COVID


A Secret Weapon in Preventing the Next Pandemic: Fruit Bats
New research links bat habitat destruction with the spillover of their viruses to humans

Antibiotic-Resistant UTIs Are Common, and Other Infections May Soon Be Resistant, Too
Urinary tract infections are increasingly becoming resistant to first-line antibiotics, and this may be a warning for our ability to treat other microbial infections

How the U.S. Lost Years of Life
Many countries saw drops in life expectancy during the pandemic, but some populations have suffered more than others

The Health Risks of Gas Stoves Explained
Gas stoves produce emissions that can harm human health and the environment. Experts answer questions about the dangers and how to limit them

What Rice-Farming Cultures Can Teach Us about Pandemic Preparedness
Societies that farm rice over wheat tend to be more tight-knit and interdependent, which could protect them from pandemic viruses like the one behind COVID

Bacteria and Fungi Can ‘Walk’ across the Surface of Our Teeth
Clusters of bacteria and fungi seem to be capable of complex movement, setting tooth decay in motion

Masks Are a Proved Way to Defend Yourself from Respiratory Infections
Respiratory viruses have rebounded hard after COVID seclusion, and masks are one of the best ways to avoid getting them

Editors’ Picks: Our Favorite Opinions of 2022
Our opinion section took us to the front lines of COVID, revealed how racists misuse evolutionary biology, illuminated a mental health epidemic in kids, and more

Fauci Responds to Musk’s Twitter Attack and Rates World’s COVID Response
Public health leader Anthony Fauci advises early-career researchers “not to be deterred” by vitriol

People in Rural Areas Die at Higher Rates Than Those in Urban Areas
Deaths from heart disease, cancer and COVID are all higher in rural areas than urban ones in the U.S., and the gap is only widening