Robert “Bob” Norris, who played the famous Marlboro Man in cigarette ads for 12 years, has died. Norris passed away at his ranch in Colorado Springs at the age of 90. The Marlboro Man was conceived by cigarette company Philip Morris & Co. and advertising giant Leo Burnett, with the aim of promoting filtered cigarettes […]
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Is the pancreas regeneration debate settled? An original theory renewed
A contentious debate among diabetes researchers has surrounded the regeneration of pancreatic insulin-producing cells: not if these cells regenerate, but rather how. The long-held view that the islets of Langerhans can be replenished from pancreatic stem cells (progenitors) was replaced over the last decade by the notion that islets self-duplicate from existing cells. Now, in […]