Joe Palca Joe Palca is a science correspondent for NPR.
Studies Decode Genetic Risk for Type 2 Diabetes
Scientists Identify a Gene Linked to Obesity
The Science Behind the Stem-Cell Debate
States Take Lead in Funding Stem-Cell Research
New Studies Find a Wealth of Oceanic Diversity
New Material Makes the Most of Light
Human Cloning May Be Just Around the Corner
Stem-Cell Research: Hopes and Realities
A Fine Specimen in the 'New England Journal'
House Votes on Expanding Stem Cell Research
Adoption Agency Offers Up Embryos to Couples
Screening Embryos for Disease
Breast-Cancer Drop Attributed to Less Hormone Therapy