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By Ewen Callaway of Nature magazine Many meat-eating animals have lost their ability to taste sugars over the course of evolution. Sea mammals, spotted hyenas and other carnivores have all shed a working copy of a gene that encodes a `taste receptor' that senses sugars, finds a study published this week in the Proceedings of the National Academy of Sciences . An animal with a diet devoid of vegetables may have little need to detect sugars, says Gary Beauchamp, director of the Monell Chemical Senses Center in Philadelphia, Pennsylvania, and the lead author of the study.

The rise in pay-for-performance compensation is a boon to smaller companies. January's Members-Only Inc. Business Owners Council meeting on "Compensation Strategy for Fast-Growing Private Businesses" took place at Blank Rome's amazing offices above the city of Philadelphia

Kevin Turner was a premier athlete in the National Football League, a fullback who could run, catch and block. At 6' 1" and roughly 230 pounds, he was slightly undersized for his position, but he had tremendous thrust in his legs and used all of it to launch himself into players who were bigger than he was. He played for the New England Patriots from 1992 to 1994, then joined the Philadelphia Eagles, with whom he stayed until his abrupt retirement in 1999.

Republican presidential candidate Rick Santorum took a break from the campaign to stay in Philadelphia with his hospitalized 3-year-old daughter Bella. Jeff Glor reports.

Many of today's best companies arose out of lucky mistakes.

Many of today's best companies arose out of lucky mistakes. That's why fear of being wrong is the biggest mistake of all. If you have ever flown in an airplane, used electricity from a nuclear power plant, or taken an antibiotic, you have benefited from someone's brilliant mistake.

Many of today's best companies arose out of lucky mistakes. That's why fear of being wrong is the biggest mistake of all. If you have ever flown in an airplane, used electricity from a nuclear power plant, or taken an antibiotic, you have benefited from someone's brilliant mistake

One thing all these Inc. 500 CEOs agree on: faster growth

With offices and virtual employees scattered across the U.S., here's how SCVNGR and LevelUp keep connected, and stay cool. Fun and games course through the heart of the SCVNGR company culture

There are lots of tools designed to help you come up with innovative solutions. But sometimes the best one is a sledgehammer.

iStockphoto/africa924africa924 PHILADELPHIA Severe malnourishment of mothers and their children can cause lifelong growth deficiencies and health problems, warned scientists at the American Society of Tropical Medicine and Hygiene annual meeting in Philadelphia on Wednesday. But a lack of nutritious food isn t the only culprit

Here's a look at the companies that provide the scoreboards, displays, shielding, and safety nets that make it possible for the Philadelphia Flyers to entertain fans at a hometown game. Shielding and safety nets On this night, 19,593 fans packed the Wells Fargo Center. To help keep them safe from pucks and other projectiles, the rink is surrounded by 522 linear feet of acrylic shielding made by Sport Systems Unlimited/Athletica, which has facilities in Minneapolis and Waterloo, Ontario

How will technology change our electoral process? Fast Company gets Crystal Ballin' with Keya Danenbaum, the founder of ElectNext, which applies the techniques of dating websites to representative democracy

When city services can autonomously go online and digest information from the cloud, they can reach a level of performance never before seen. First up, water systems that automatically know when it will rain and react accordingly. With a little help from what's called the Internet of Things, engineers are transforming cities from passive conduits for water into dynamic systems that store and manage it like the tissues of desert animals.

Questlove launches a catering start-up and boldly claims fried fowl is the new craze. There's a long list of contenders—or pretenders—looking to dethrone cupcakes as the latest food craze. Macarons