Cooking can be hazardous to your health and to the environment, particularly if you are cooking indoors over an open fire and burning wood and dung, as many people in poor, rural areas of the world do every day.
Michael Phelps, the American Olympic swimming star, will not try to repeat his incredible feat of Beijing. Phelps collected eight gold medals in 2008, which essentially cemented his place as the the best swimmer the world has seen.
The New York Times reports that Phelp's coach, Bob Bowman, announced today that Phelps will not compete in the 200-meter freestyle in London, which reduces his event load to seven.
Place Me is a mobile app that automatically checks users into locations and keeps a running history of where they've been and gone. Alexis Madrigal, senior editor at The Atlantic, takes it for a spin around the block to see how accurate the app really is.
New Orleans became a blank slate after Hurricane Katrina struck in 2005. And ever since, entrepreneurs have rushed in to experiment with new ideas for building and running a city.
Among them is a startup called Neighborland.com, a social media tool for sharing ideas to make your neighborhood better. After signing in to Neighborland, you can find your neighborhood and post your idea. The posts all start with "I want," and you fill in the rest.