Richard Branson To Make Charity Splash By Swimming Irish Sea

03/25/2011 03:27 pm ET | Updated May 25, 2011

Billionaire entrepreneur Richard Branson keeps finding ways to innovate, from civilian space travel to incubating African businesses to getting an adrenaline rush for charity.

He and singer Ronan Keating, both hardcore philanthropists, have just joined "The Swim," a celebrity relay swim across the Irish Sea to raise $1.6 million for Cancer Research UK.

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