Jon Hamilton Jon Hamilton is a correspondent for NPR's Science Desk.
Do Trees Worsen Droughts?
Shallow Water Ahead for Panama Canal
Rainfall Shortages Threaten Costa Rica Power
Maldives Builds Barriers to Global Warming
Climate Change Fuels Debate over Hurricane Threat
Insurers Try to Calculate Risks of Climate Change
Monkeys Rival College Students' Ability to Estimate
Women Have Backbone for Pregnancy
Autism Study Lends Credence to 'Fever Effect'
Mix of Factors Weakened Hurricanes This Season
Medical Tourism Creates Thai Doctor Shortage
Scientists Develop Life-Extending Compounds
Fossil Shows Sea Scorpions Stretched to 8 Feet
Study: Aging Brains Can Benefit from 'Training'