David Kestenbaum David Kestenbaum is a science correspondent for NPR. His job allows him to combine his extensive background in physics with his love of broadcast journalism.
Siberian Soil Yields a Wealth of Ancient DNA
EPA Proposes Off-Road Diesel Emission Reductions
Satellite Reveals Bombing Damage in Baghdad
Military Urged to Develop Weapons that Don't Kill
New Gas Discovered in Moscow Rescue
Questions Remain About Gas in Moscow Rescue
Handwriting Experts Could Assist Hunt for Sniper