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Hakeem Oluseyi, host of NOVA and GBH's podcast Particles of Thought, breaks down how his show tackles some of science's biggest and strangest questions.

After Zohran Mamdani's win in New York, many are asking if charismatic, progressive mayors can save the Democratic Party. Looking at Michelle Wu's record in Boston, along with Mamdani's campaign, offers some insights into what is energizing voters.

Matthew Davis, author of a Mount Rushmore biography, explains how four presidents ended up on a mountain that was never meant to honor them.

The G20 closed in Johannesburg without a ceremonial hand over to the U.S., its next chair, after Washington boycotted the summit.

Writer Tamar Charney shares how experimenting with cyanotype prints has changed her perspective on her photographs - and how easily we accept change as the new normal.

Nostalgia is rising in Congo for Mobutu Sese Seko — the kleptocratic strongman as a new museum exhibit glorifying him draws crowds in Kinshasa.

Tech companies are pouring billions into AI chips and data centers. Increasingly, they are relying on debt and risky tactics. Financial analysts are worried there's a bubble that will soon pop.

Born on this day in 1864, Henry Bourne Joy envisioned uniting the coasts through the automobile. As the son of a Michigan Central Railroad president, he championed the creation of one of America's first coast-to-coast concrete roads, which became the Lincoln Highway in 1913. Joy also brought the Packard Motor Car Company to Detroit, where it thrived for nearly 50 years before merging with Studebaker in the 1950s.

Representative Marjorie Taylor Greene is resigning after a break with President Trump made a primary fight inevitable, says Georgia Public Broadcasting reporter Sarah Kallis.

Global climate talks in Brazil wrapped up with a deal to increase funding for countries hit by warming but no plan to phase out fossil fuels.