A NASA spacecraft captured the clearest recording yet of what space sounds like inside Earth's radiation belts. Craig Kletzing, a professor of physics and astronomy at the University of Iowa, explains what causes these eerie chirping noises, and what we can learn from them.
On his major-label debut Blak and Blu, you can hear the roar in Gary Clark Jr.'s blues guitar, and in his vocal throughout "Bright Lights." It's one of the few straight-up blues songs on what is essentially an introduction to one of the most highly praised young blues guitarists in recent times. While Clark comes out of a blues tradition, he's also a twentysomething who's taken in all of contemporary music.
Tell Me More host Michel Martin and editor Ammad Omar open up the mailbag to see what listeners have to say. This week, the program's Twitter feed lit up when rapper Lupe Fiasco talked about why he's a big Johnny Cash fan.
Civil rights attorney Arsalan Iftikhar regularly offers his thoughts about sports, politics and pop culture in Tell Me More's Barbershop roundtable. For the occasional series In Your Ear, Iftikhar shares his thoughts on the songs that make him dance and keep him happy, including Public Enemy's "He Got Game."