Toothed whales use ‘vocal fry’ to hunt for food, scientists say New research suggests that vocal fry among toothed whales is what gives them the ability to echolocate, hunting down their prey with the loudest sounds produced by any animal on the planet. Read more on NPR

FDA has new leverage over companies looking for a quicker drug approval The Food and Drug Administration has new tools to hold drug companies accountable for promises they make about medications. But the agency has yet to show its hand in using this new power. Read more on NPR

Here’s why it’s hard to clean up toxic waste from the East Palestine train derailment Nearly two million gallons of wastewater and thousands of cubic yards of contaminated soil have already been removed from the site, with more to go. Every aspect of removal is governed by regulations. Read more on NPR

The Chinese balloon saga could be part of a new space race closer to Earth China has put new focus on airships hovering in a part of the sky just before outer space. Although Beijing says they’re scientific, analysts say the data helps the country develop advanced weapons. Read more on NPR

Nicole had a seizure while driving, but no one was hurt thanks to a stranger’s action Nicole George-O’Brien was driving over a bridge when she experienced a seizure. She woke up in the hospital, worried that she’d hurt someone, but found out a stranger helped her and others that day. Read more on NPR

Decades after risking his life to save his men, a Green Beret gets the Medal of Honor Despite suffering multiple wounds during a firefight in Vietnam, then-Capt. Paris Davis refused to leave three Green Berets on the battlefield — even after being told to retreat. Read more on NPR

Daniel Ellsberg, who leaked the Pentagon Papers, announces he has terminal cancer The documents in the Pentagon Papers told how U.S. involvement in the Vietnam War was built up steadily by political leaders and top military brass who were overconfident about U.S. prospects. Read more on NPR

Nordstrom says it will close its Canadian stores and cut 2,500 jobs Nordstrom chief executive Erik Nordstrom said the Seattle-based retailer is exiting Canada because it does not see a realistic path to profitability for the business in the country. Read more on NPR