Have some spooky fun with these apps for trick-or-treat day.

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A government shift in the planned $6.4 billion for bio-defense spending should open doors to pharma, IT companies and others.

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Dell makes recycling its old laptops fairly easy, but most companies make it tough for customers.

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Kleiner Perkins Caufield & Byers' Bing Gordon on its new start-up fund.

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San Diego company Allylix is harnessing advances in biology to produce flavors and fragrances once impossible to make in the lab.

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Enphase Energy rethought the way solar power gets into your home. Now it faces a pack of hungry competitors.

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