Marcy Darnovsky, AlterNet. March 22, 2008. 1997's 'Gattaca' featured a bleak future world ruled by bio-engineered superhumans -- an outcome that no longer seems far-fetched.
Amanda Euringer, The Tyee. February 9, 2007. And it's not the only body part on the chopping block that is available for the cause of vanity. But is it ethical?
Terry J. Allen, In These Times. December 13, 2006. How computed tomography (CT) scans are exposing you to 500 times more radiation than a conventional chest x-ray.