Articles by date | ON SCIENCE | Articles by topic
1997-8 | 1999 | 2000 | 2001 | 2002-7 | 2008 | 2009
March 15- Inventing cloning: The road to Dolly
March 15- Should A Clone Have Rights?
July- HIV's waiting game
October- A cure for lung cancer
December- Madcows and prions
June 11- Does smoking really cause cancer?
June 18- Is smoking cigarettes addictive?
These ON SCIENCE columns by George Johnson were originally published in the St. Louis Post Dispatch.
All questions regarding these columns should be directed to: email@example.com.