Add Yahoo as a preferred source to see more of our stories on Google. An aerial shot of the site in northwestern Ontario that's being eyed for Canada's first deep geological repository for nuclear ...

Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues and ...

The weekly gatherings of knitters at Needle & Skein, a yarn store in Minneapolis, are typically filled with giggles and storytelling. But, earlier this month, a heaviness hung in the air. "It was just ...