Jon Hamilton Jon Hamilton is a correspondent for NPR's Science Desk.
U.S. Government Warns of High Mercury Levels in Fish
Chemical Primer: What is Perchlorate?
Study: Ovaries May Replenish Eggs
Monkey Born After Ovarian Transplant
Shortest Time Interval Measured
Study Seeks Accurate Count of Child Autism
Neuromarketing: The New Horizon
Experts Warn of Toxins in Farm Salmon
End-of-Life Decisions: Determining Consciousness
FDA Includes Tuna in Draft Advisory on Mercury
Tracing Toxins, and Nerve Disease, Through Diet
Anthrax Scare Closes 11 D.C.-Area Post Offices
FDA Draft Report Backs Cloned Food
Politics, Science Clash at Media Violence Conference