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Two years ago several of my Sci Am colleagues and I had an intense email exchange over a period of weeks, trying to figure out what to make of a new paper by string theorist Erik Verlinde . I don’t think I’ve ever been so flummoxed by physicists’ reactions to a paper. Mathematically it could hardly have been simpler the level of middle-school algebra for the most part.

photo by Alecia Hoyt Photography I sport an afro or natural hair, but I use to have a perm. About a year ago, I shared my hair journey with Afrobella at Essence. com: Natural Hair Diary: Danielle N

Breaking news from your editors at Fast Company, with updates all day. Jon Rubinstein Leaves HP . Rubinstein , formerly of Apple and then lead at Palm during its efforts to rival the iPhone, is leaving HP

When it comes to being good corporate citizens, enlightened self-interest can and should carry they day. Learn how two remarkably different companies, Gibson Guitar and IBM, are doing good for their brands and their communities. At first glance, Nashville-based

Our profile of DJ Patil, Data Scientist at Greylock Partners. His career includes being a researcher at Los Alamos, a Defense Department fellow, a virtual librarian for Iraq, a web-security architect for eBay, and head of a data team at LinkedIn, where his team created "People You May Know." @font-face { font-family: 'FCKaiserCondWebRegular'; src: url('/sites/all/themes/fc_v1/scripts/mod2011/fckaiser-cond-web-regular-webfont.eot'); src: url('/sites/all/themes/fc_v1/scripts/mod2011/fckaiser-cond-web-regular-webfont.eot?#iefix') format('embedded-opentype'), url('/sites/all/themes/fc_v1/scripts/mod2011/fckaiser-cond-web-regular-webfont.woff') format('woff'), url('/sites/all/themes/fc_v1/scripts/mod2011/fckaiser-cond-web-regular-webfont.ttf') format('truetype'), url('/sites/all/themes/fc_v1/scripts/mod2011/fckaiser-cond-web-regular-webfont.svg# FCKaiserCondWebRegular') format('svg'); font-weight: normal; font-style: normal; } .kaiser, .kaiser a {font-family: 'FCKaiserCondWebRegular', Helvetica, sans-serif !important; font-weight: normal; letter-spacing: 1px; line-height:1; font-size:40px!important;color:#333!important; text-decoration:underline;} .kaiser a:hover {color:#666!important;} .kaiser {text-decoration:none;font-size:30px!important;} .sidebox {float:right;border:1px solid #e6e6e6;background-color:#fafafa!important;width:200px;padding:5px;margin:0px 0px 10px 10px;} .sidebox a {color:#e80681;font-weight:bold;} .sidebox p {font-size:13px;} .bottombox {background:#f2f2f2;border:1px solid #d8d8d8;padding:15px;} .bottombox img {display:inline-block;vertical-align:middle;width:50px;height:50px;padding:6px;} .bottombox a {display:inline-block;vertical-align:middle;width:70px;font-size:12px;line-height:1.2em; color:#e8007e;font-weight:bold;} Photo by Brooke Nipar DJ Patil pulls a two-foot-long metal bar from his backpack .

The patient had endured 20 years of pain: her calves had turned into two bricks,

The series Too Hard for Science? discusses ideas scientists would love to explore that they think are difficult or impossible to investigate. The Scientist: Robert Stickgold, director of the Center for Sleep and Cognition at Harvard Medical School

NEW YORK (Reuters) - Three large explosions from the Sun over the past few days have prompted U.S.

What does the scientist who talked about enclosing stars with globes think might be too hard for science? In "Too Hard for Science?" I interview scientists about ideas they would love to explore that they don't think could be investigated. For instance, they might involve machines beyond the realm of possibility, such as particle accelerators as big as the sun, or they might be completely unethical, such as lethal experiments involving people.

Songs about or just inspired by science are by no means hard to find, but it seems the same few are continually bandied about (e.g., "I Am a Scientist" by Guided By Voices), so we thought it would be fun to list what are, depending on your level of music knowledge, perhaps some lesser known examples.

Like most of us, NASA astronauts have to wake up and get to work--even when they're in space. So NASA is running a contest to select two new wake-up songs for the STS-134 shuttle crew when it's at the International Space Station.

Investigation innovation. On June 30th, 1999, officers in St. Louis, Missouri, found the body of Ricky McCormick, 41, in a field.

As the Fukushima Daiichi nuclear crisis slowly comes under control, global attention is turning to broader existential questions about nuclear power. Despite providing 6% of the world's power without emissions and fatalities from their nuclear facilities, countries like Germany and China

For all you know, they might be stalking you right now. Sometimes technological progress is measured by subtraction, rather than addition.