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A drug that restores brain metabolism in mouse models of Alzheimer's also improved cognitive function. The discovery could help researchers find additional pathways to combating the symptoms of this brain disease, beyond the telltale amyloid plaques and tau tangles that are hallmarks of Alzheimer's.

During the summer in Alaska, tourists can find a wintery dog mushing experience on the Norris Glacier near Juneau. A dog sledding camp there helps mushers maintain a steady income during the off-season, and keeps the dogs in running shape.

MIT says the percentage of Black, Hispanic, Native American, Pacific Islander students in its incoming freshman class has plummeted, tying it to 2023’s Supreme Court ruling banning affirmative action.

The U.S. has imposed sanctions on about a dozen Israelis who it says have taken violent action against Palestinians and posed obstacles to peace. It’s an unprecedented step in the increasingly fraught U.S.-Israel relationship.

Demand for electricity in Texas continues to break records. It comes as the power grid strains under increased demand due to data centers and cryptocurrency mining.

NPR's Ari Shapiro speaks with Republican strategist Scott Jennings about his thoughts on the past week at the DNC.

For six of the 10 drugs that Medicare negotiated to lower prices, the net prices aren't any better than the ones insurers already get. But there may be a change in patients' choices of medicines.

NPR's Ailsa Chang talks to Regina Barber and Emily Kwong of NPR's Short Wave about an ancient magma ocean on the moon, the snake problem of Florida's Everglades, and why scrolling through video clips bores us.

Homelessness is a pervasive issue that cities across the country struggle to address. This led an entrepreneur to team up with researchers and local foundations for an experiment called the Denver Basic Income Project. What the researchers found could become a guide for how localities in the United States could address the problem of homelessness.

A new program in Oregon lets drivers upload photos of roadkill, which officials say can help them identify dangerous hotspots and reduce the number of animals killed. It's one of several such programs that have sprouted up to protect wildlife from cars.