Archive: 01/21/2011

Canadian stem cell pioneer dies

Ernest McCulloch, a Canadian researcher who was part of a team that first proved the existence of stem cells more than five decades ago died this week at the age of 84, his colleagues said Friday.

Jan 21, 2011 not rated yet 0

Facebook raises $1B more from non US investors

(AP) -- Facebook said Friday it has raised $1 billion from non-U.S. investors, which combined with an infusion from Goldman Sachs and Russia's Digital Sky Technologies in December, brings the haul from its latest round of ...

Jan 21, 2011 3 / 5 (4) 10

Researchers develop a way to control 'superweed'

They pop up in farm fields across 22 states, and they've been called the single largest threat to production agriculture that farmers have ever seen. They are "superweeds" – undesirable plants that can tolerate multiple ...

Jan 21, 2011 3.7 / 5 (6) 14 | with audio podcast