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The conventional wisdom is that it always makes sense to reuse or remake products rather than to make new ones--why make a new tire when you can retread an old one, and why manufacture a new inkjet cartridge when you can refill a used one? But conventional wisdom is often wrong. In some cases, it may actually be more resource and energy-efficient to manufacture new products, according to a new study from MIT

New experiments find that cell phone signals don't just confuse bees, they off them.

The Fast Company reader's essential source for breaking news and innovation from around the web--updated all day.

When you take your computer or cell phone back to the store to be "recycled," do you have any idea what actually happens to it?

What'll it be, world? Gadgets and electricity or pretty views

The company recycles everyday consumer tech to aid activists and imprison dictators. When a crisis map won't cut it, they're the A-Team to call

No, you don't have to tell me, because I know what you're about to say: your new product is brilliant. It's a game-changer. Problem is, you need a killer logo.

Monday night was game time for the aspiring entrepreneurs who have spent the past three days furiously programming and designing start-ups on the road, plus four days perfecting their pitches. Seven teams—at least one from each bus from Chicago, Cleveland, Miami, New York, San Francisco, and Silicon Valley—faced off before a panel of judges that included entrepreneurs and prominent investors such as Dave McClure of 500 Hats, Naval Ravikant of Angel List, and Greg Veen of TypeKit. It came down to a nailbiter, with the panel unable to decide between TripMedi and WalkIN, teams from New York and Silicon Valley.

Monday night was game time for the aspiring entrepreneurs who have spent the past three days furiously programming and designing start-ups on the road, plus four days perfecting their pitches. Seven teams—at least one from each bus from Chicago, Cleveland, Miami, New York, San Francisco, and Silicon Valley—faced off before a panel of judges that included entrepreneurs and prominent investors such as Dave McClure of 500 Hats, Naval Ravikant of Angel List, and Greg Veen of TypeKit. It came down to a nailbiter, with the panel unable to decide between TripMedi and WalkIN, teams from New York and Silicon Valley

The cash will come largely from subscription services, predicts an analyst/soothsayer. Music stores like iTunes, having already seen declined growth, will suffer. Digital music revenues worldwide could reach $20 billion per year by 2015, according to new report from the research firm Ovum .