A salesperson demonstrates the Apple iPhone 4 in New Delhi, India. While mobile device use is growing rapidly in emerging markets, Apple's current product line may prove prohibitively expensive for many consumers.
In California in the early 1980s, a cracked tooth sent Mike Williams to the dentist's office.
When Williams asked to see the tooth, the dentist said he had a mirror but that there was no camera or anything to show people the insides of their mouths. So, Williams invented one: the first intraoral camera.
His invention was a big success, and it led to other medical technology ventures that made him millions of dollars. Williams' career as an inventor and entrepreneur took off, but it wouldn't last.
It's WEEKENDS on ALL THINGS CONSIDERED from NPR News. I'm Robert Smith.
Friday was the second anniversary of the uprising in Egypt, the topple of the president there, Hosni Mubarak. The anniversary sparked massive protests against the new government, the Islamist government. The violence has left more than 40 people dead.
In a forceful address to the nation earlier today, Egypt's president declared a 30-day state of emergency in three Egyptian cities. NPR's Leila Fadel joins us to discuss the latest. Hey, Leila.
In 1962, a grisly double murder on a deserted stretch of desert rocked a small community outside Phoenix.
A young couple had been shot to death in a case that stumped Maricopa County investigators. Then, something happened that should have cracked it wide open: A man named Ernest Valenzuela confessed to the crime. But police didn't pursue the lead, just one misstep in an investigation and eventual trial that were rife with irregularities.