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The FDA is warning doctors about purchasing and prescribing a fake Avastin - a cancer-treating drug. CBS News chief investigative correspondent Armen Keteyian follows the trail of where the counterfeit drugs.

The FDA is warning doctors about purchasing and prescribing a fake Avastin - a cancer-treating drug. CBS News chief investigative correspondent Armen Keteyian follows the trail of where the counterfeit drugs.

The Advances section of Scientific American 's November issue took readers into the air with the world's highest flying geese, back in time with an unlikely ancestor, into space to rendezvous with some garbage, to the Internet for a new way of conducting clinical trials, and beyond. For readers interested in learning more about the developments described in this section, a list of further background material follows: "On the Trail of Space Trash" [More]

The advent of Connecticut creating an official Hot Dog Trail to encourage tubular-meat tourism begs the question: Does the all-American meal need a boost?

(PhysOrg.com) -- X-rays have been used for more than a century to expose the invisible in many of its forms. When a family doctor studies an X-ray of a broken leg or an agent scans a carry-on bag at an airport security gate, hard X-rays, with their ability to penetrate beyond the surface of a material, reveal hidden objects.

Ernie Els followed the trail of South African idol Gary Player by winning golf tournaments all over the world, a journey that took him all the way to the World Golf Hall of Fame.