This is MORNING EDITION, from NPR News. Good morning. I'm David Greene.
RENEE MONTAGNE, HOST:
And I'm Renee Montagne. We're following developments in Egypt after today's release from prison of ousted President Hosni Mubarak. We'll go to Cairo in a moment. We begin this hour with stories of two military trials in this country. Both involve horrendous massacres.
Of all the creatures in the sea, one of the most majestic and mysterious is the whale shark. It's the biggest shark there is, 30 feet or more in length and weighing in at around 10 tons.
Among the mysteries is where this mighty fish migrates and where it gives birth. Now scientists have completed the biggest study ever of whale sharks, and they think they have some answers to those questions.
No place seems safe these days from someone's terrifying, post-apocalyptic imaginings. Los Angeles is wrecked in the movie Elysium, the South is zombie-ridden in TV's The Walking Dead, and now— thanks to writer Ben Winters — even the quiet streets of Concord are at risk of annihilation.
Sometimes you have to give up a little privacy in order to find out how much — or how little — privacy you really have. So I handed over the keys to my Gmail account to Cesar Hidalgo, a professor at the MIT Media Lab and the designer of a program called Immersion.