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.

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 ...

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 ...

World's largest solar park planned in Greece: PM

Debt-hit Greece plans to build the world's largest solar park over depleted coal mines in the northern city of Kozani, Prime Minister George Papandreou said this week.

US Army gives soldiers a few tips on social media

The US Army issued soldiers a new handbook on social media this week, warning troops to think twice before divulging some information on Facebook or Twitter that could be exploited by adversaries.

Google targets spam-laden websites

Google on Friday said it has made it harder for spam-packed websites to rank high in results at the world's top Internet search engine.

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