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By analyzing layers in these teeth, scientists have pinpointed a critical window when baby brains are most vulnerable to toxic metals — and linked that to behavior problems later in life.

An appeals court sentenced ousted President Yoon Suk Yeol to 7 years in prison for resisting arrest and bypassing a Cabinet meeting before his brief imposition of martial law in December 2024.

Spirit Airlines helped pioneer ultra-cheap flying and soared. Then legacy airlines copied them, outmaneuvered them with loyalty programs, and the economy turned against their core customers.

Across the country, some 50 bald eagle nests fitted with cameras broadcast up-close views of raptor family life. Every spring, as eggs hatch and eaglets grow, these cameras rake in millions of views.

Record-breaking flooding in April was a reminder for lawmakers, dam safety advocates and engineers of the vulnerabilities that the state's 2,500 dams face as extreme weather worsens.

The Fed is expected to hold rates steady, at what's likely to be Jerome Powell's last meeting as chair — with Kevin Warsh looking set to replace him.

U.S. Secretary of Health and Human Services Robert F. Kennedy Jr. says a farm community in Italy for people with addiction is a model for wellness camps designed to ease the U.S. overdose crisis. Critics say the idea is dangerous.

A New Hampshire Republican. A German Holocaust denier. A suspicious bottle of baby oil. An NPR investigation reveals how the alarming rise of antisemitic conspiracy theories reached a state capitol.

Against the backdrop of an energy crisis and a warming planet, more than 50 countries have come to Santa Marta, Colombia, to discuss concrete ways to phase out oil, gas and coal.

At issue is the TPS program, which permits eligible individuals to live and work in the United States if they cannot return to their home countries because of "extraordinary or temporary conditions."