Heat stress can turn deadly even sooner than experts thought
As temperatures rise, new research shows critical limits for how heat affects the body may be lower than previously thought. Humidity is a big factor.
Amid surging mail theft, post offices failing to secure universal keys
Mail theft is on the rise, and a CBS News investigation has found the U.S. Postal Service is not consistently taking steps to secure millions of universal "arrow keys" that open bulk mailboxes.
Search your school: U.S. schools at risk of measles
Thousands of schools are below a critical threshold to achieve herd immunity against measles, a CBS News investigation found.
New data: Over 100 elementary-aged kids arrested in U.S. schools
At least 100 children in grades 1 through 5 were arrested in school during the 2020-2021 school year, according to CBS News analysis of newly-released federal data.
Why so many mass shooters have a military background
CBS News analysis of data compiled by The Violence Project shows 26% of mass shooters since 1966 have military experience — a much higher share than the general U.S. population.
Lithium-ion battery fires are on the rise. Are firefighters ready?
Experts say lithium-ion battery fires pose unique risks requiring specialized training, but CBS News has found gaps in fire safety training, research and regulation.
Hazmat road accidents have more than doubled in the past decade
CBS News investigates problems with the transportation of hazardous materials across the United States, where federal data show there are about 500 incidents each day involving a train, plane or truck carrying hazmat.
Hazmat road accidents have more than doubled in the past decade
CBS News investigates problems with the transportation of hazardous materials across the United States, where federal data show there are about 500 incidents each day involving a train, plane or truck carrying hazmat.
School district tries a radical new solution to address student mental health
A Colorado school district is prioritizing mental health by building a new facility that will double up as a school and a mental health day-treatment center.
"It's going to happen again": Some say Texas' mass shooting responses fall short
Those who've experienced mass violence say the state isn't doing enough to prevent future incidents, while law enforcement officials tell CBS News state law makes it easy for criminals to get guns.