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Given two choices of attractive mates, female frogs pick the top vocalist. But add a third, inferior male to the mix, and females go for No. 2. The "decoy effect" shapes some human choices, too.

A recent study shows that top scavengers, like hyenas, can be beneficial for human health. But the same study reveals that scavenger populations are declining and could mean more disease for humans.

The director of the U.S. Secret Service Kimberly Cheatle has resigned, ending her 29-year career with the agency. This comes in the wake of the attempted assassination of former President Trump.

A new report points to a decline in heart disease and stroke deaths, but cardiovascular disease remains the top cause of death in the U.S. Lifestyle changes could delay or prevent about 70% of cases.

A group of top Democrats from across the country met Tuesday to discuss the future of their agenda, beyond opposition to President Trump.

NPR's Ailsa Chang speaks with USA Today track and field reporter Tyler Dragon about Sha'Carri Richardson becoming the fastest woman in the world and her journey to the top spot.

Democrats want to tax the rich to cut taxes on worker incomes. Democratic Sen. Chris Van Hollen of Maryland explains and a tax policy expert shares his reservations with NPR's Planet Money team.

"I really love it," Jolien Boumkwo said as her unusual turn in the 100-meter hurdles created a sensation.

"Italy and I do not beg," Meloni said in a video rebuke posted on social media Friday. Italy's top diplomat, meanwhile, said he was cancelling a visit to the U.S because of the alleged remarks.

Top federal prosecutors in Minnesota resigned after the Department of Justice pressured them to investigate the widow of a woman killed by an ICE agent.