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Online communities don't have to replace face-to-face interactions with social media, says IBM's Worldwide Social Media Strategist Ryan Boyles.

New study reveals that more people are starting businesses as a source of higher income than out of opportunity. Necessity, not opportunity, is driving entrepreneurship, says a new report. The Global Entrepreneurship Monitor, a nonprofit research consortium, Monday released its latest National Entrepreneurial Assessment for the United States.

A new report says the worldwide diabetes epidemic will explode over the next 20 years. Betty Nguyen reports.

By order of the Shadow Proclamation (okay, Facebook), select episodes of Doctor Who will materialize online for fans around the world. Including one that's never been released before. The BBC, that venerable broadcaster adored by grandmas across the globe, is trying something new: Its Worldwide arm is putting select episodes of one of the BBC's content jewels, Doctor Who, online as a paid video-on-demand service on Facebook .

This year's Julius Springer Prize for Applied Physics will be awarded to Professor Orazio Svelto for his pioneering, long-lasting and innovative work in the fields of lasers and optics. Svelto is an internationally renowned laser and photonics scientist and one of the worldwide leaders of the scientific community in this field. The award, accompanied by EUR 5,000, will be presented on 24 May 2011 at the Laser World of Photonics Congress in Munich, Germany.