I'm Michel Martin and this is TELL ME MORE from NPR News. Today, Texas is scheduled to execute the 500th prisoner since the death penalty was reintroduced. We are going to introduce you to Kirk Bloodsworth, who was the first prisoner released from death row 20 years ago because of DNA evidence.
Summer is heating up and so are dozens of classical music festivals all around the country. We couldn't possibly list them all, but here's a sampling of some of the best events, from open-air venues and seaside spots to historic concert halls. Been to a great summer festival we've missed? Feel free to pass along your own reviews in the comments section.
Nitrous oxide was one of the first chemicals used to make surgery and tooth-pulling painless. Back in the 1840s, Horace Wells, a dentist in Hartford, Conn., did his best to popularize it as an anesthetic agent. Despite some failed demonstrations early on, use of the gas during surgery eventually became routine.