Technology & Digital Life

From: Christopher Jordan Dorner

To: America

That's the header on a 14-page letter attributed to Christopher Dorner. The former Los Angeles police officer is the focus of a massive manhunt spanning California, Arizona, Nevada and Mexico after he allegedly shot and killed three people — including a police officer — and wounded several others during a shooting spree.

Vine, Twitter's new microvideo-sharing app for the iPhone, this week added a 17+ rating, saying that the app "contains age-restricted material." The change came after some users uploaded pornographic clips onto the app, which features 6-second (or

Toyota and BMW have formed an alliance to work on fuel cell cars. So have Daimler, Ford, and Nissan, with hopes of having cars on the road by 2017. But why now, and what obstacles still stand in the way? Jennifer Kurtz discusses the current state of hydrogen fuel technology.

Transcript

JOE PALCA, HOST:

This is SCIENCE FRIDAY; I'm Joe Palca. Do you ever get the feeling you're being watched? These days if you're not careful, your phone knows where you are, and there's a good chance somebody else does, too. Or you've noticed that the ads on sites you visit are starting to look a little too personalized, like how did they know I was planning a vacation to New Orleans.

A Smoking Gun report about the hacking of several email accounts belonging to members of presidents George W. and George H.W. Bush's family and some family friends has prompted a criminal investigation.

The Houston Chronicle says that Bush family spokesman Jim McGrath confirmed an investigation is under way, but declined further comment.