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A worker sorts cardboard at a recycling center in Newark, N.J. Jeff Greenberg/Universal Images Group via Getty Images

Decades of public messages about recycling in the US have crowded out more sustainable ways to manage waste

New research shows that Americans may have absorbed public messaging about the importance of recycling too well.
Panic over supposed ‘super-predator’ teens ended years ago, but its consequences did not. jabejon/iStock via Getty Images Plus

40 years ago, the US started sending more and more kids to prison without hope of release, but today, it’s far more rare – what happened?

Research on developing brains has helped bring about a sea change in attitudes toward juvenile life without parole. But many people who committed crimes as minors are still serving such sentences.
That’s a lot of potential voters behind Swift at her Denver concert on July 14, 2023. Tom Cooper/TAS23/Getty Images for TAS Rights Management

Taylor Swift: Person of the year and political influencer

Pittsburgh’s mayor renamed the city ‘Swiftsburgh’ when the singer’s tour hit town. He’s not the only politician who has publicly fawned over the star.
The gap between breaking waves in North Carolina indicates a rip current flowing away from shore. National Weather Service

Rip currents are dangerous for swimmers but also ecologically important – here’s how scientists are working to understand these ‘rivers of the sea’

Rip currents are a leading cause of near-shore drownings, but there are effective ways to survive one. And these phenomena also play important ecological roles that are an emerging research area.
Lucien Greaves, spokesman for the Satanic Temple, which has pushed to establish after-school clubs. Josh Reynolds for The Washington Post via Getty Images

How after-school clubs became a new battleground in the Satanic Temple’s push to preserve separation of church and state

The controversial – and often misunderstood – extracurricular groups tend to raise controversy. But under equal access laws, schools can’t discriminate against a club based on its point of view.
Research on possible links between aspartame consumption and cancer is ongoing and far from conclusive. celsopupo/iStock via Getty Images Plus

WHO expert cancer group states that the sweetener aspartame is a possible carcinogen, but evidence is limited – 6 questions answered

An expert panel found a potential association with liver cancer, but too little research exists to assume a causal connection. For now, the WHO left current consumption guidelines unchanged.
AI chatbots are becoming more powerful, but how do you know if they’re working in your best interest? Carol Yepes/Moment via Getty Images

Can you trust AI? Here’s why you shouldn’t

It’s difficult to see how artificial intelligence systems work, and to see whose interests they work for. Regulation could make AI more trustworthy. Until then, user beware.