Recent episodes of AI agents escaping test zones and hacking other systems may be a harbinger of what's to come, as some experts believe the systems are fundamentally unpredictable.

Clint Smith's How the Word Is Passed explores how slavery is — and isn't — taught. And Above Ground includes poems to his children about what their ancestors endured and escaped. He spoke with Fresh Air in 2021 and 2023.

Millions of drivers across the country are encountering speed cameras for the first time, or will soon. Some don't like it, but advocates say there's clear evidence that cameras make roads safer.

Just like all previous summers since the pandemic began, COVID-19 cases are ticking up again, even while other health threats make more headlines.