Shemekia Copeland says she didn't really find her singing voice until her teen years, when her father, the late blues guitarist Johnny Copeland, began suffering from health issues. On her new album, 33 1/3, she finds a different kind of voice — one that's eager to participate in a national dialogue.
Rion Tucker is covering a lot of ground in his home state of Maine these days. The 20-year-old is a canvasser for Equality Maine, and he's been knocking on lots of doors in an effort to make sure that voters in his state pass a ballot initiative in November legalizing same-sex marriage.
For all their variety and variation, cities are, at their root, physical systems. That means, at some fundamental level, they are also expressions of the laws of physics. In physics size matters (or "scale" as we call it). Physicists learn different things about an object by looking at it from different scales. In our first exploration of physics and cities we stayed at the street level. At that scale we saw cities as machines: cars and elevators, pipes and plumbing. Then we went up to the roof. At that scale we saw cities as engines, vast systems for turning energy into work.
On her 22nd birthday this summer, Sarah Wagner of suburban Wheaton, Ill., who describes herself as a huge fan of the Chicago Cubs, opened an email to find an incredible surprise — a recorded message from her favorite Cubs player:
"Hey, Sarah! Kerry Wood here! Thanks for your message and I hope you're having a great summer!"
"When I heard for the first time, I instantly smiled," says Wagner. "I think my hands probably went over like my mouth, like, 'Oh my gosh, Kerry Wood is talking to me, even though he has no idea who I am!' "