Originally published on Thu February 27, 2014 10:31 am
We Americans are heavy consumers of meat, and we're increasingly reminded that eating less of it will shrink our carbon footprint. Growing the crops to feed all those animals releases lots of greenhouse gases.
Originally published on Thu February 27, 2014 7:58 am
Facebook's foray into email ended Monday, when the social media giant quietly retired the email service that many users didn't even know existed. Users received a notice saying the @facebook.com email addresses they deployed are going away.
"We're making this change because most people haven't been using their Facebook email addresses, and we wanted to make it easier to view all your emails in one place," the message read.
For people in good health and without any special nutritional deficiencies, there isn't enough evidence to say it's a good idea — at least when it comes to preventing cardiovascular disease and cancer.
Researcher danah boyd is obsessed with how teenagers use the Internet. For the legions of adults who are worried about them, that's a good thing.
With a Ph.D from the University of California, Berkeley, and a masters from MIT, and as a senior researcher with Microsoft, boyd is something of a star in the world of social media. For her new book It's Complicated, she spent about eight years studying teenagers and how they interact online. She says she wrote the book in part to help parents, educators and journalists relax. "The kids are all right," she says.
A meteorite that smashed into the moon last September caused a bright flash that persisted for 8 seconds, setting a new record for lunar impacts. The high-speed collision was recorded on video and would have been clearly visible to anyone on Earth who happened to look at the moon at the right time, scientists say.