Career Guide 2008
Recession or not, finding ways to endure the job squeeze.

Immigration and the Right
Democrats don't face the same struggles as McCain does on the touchy issue.

Not Your Everyday Heroes
After their Iraq war ordeal, what's happened to Pvt. Jessica Lynch and her comrades?

Considering a Colon Scan
Approval for virtual colonoscopy expands options and eases ick factor for patients.

Cover
Tomato (Solanum lycopersicum) domestication and selection resulted in an explosion of different fruit shapes and sizes, as exemplified by heirloom varieties. Wild ancestors of tomatoes such as S. pimpinellifolium, the smallest fruit shown here, were round (middle row, second from left).

Predators Induce Cloning in Echinoderm Larvae
Sand dollar larvae respond to mucus from fish predators by rapid asexual reproduction, producing an increased number of smaller individuals that may be less visible.

Dueling Visions for a Hungry World
Sparks began to fly when scientists and activists against genetically modified crops came together to assess agricultural knowledge and the role of biotech in development.

NSF Fellowships Called Powerful Tool for Building the Pipeline
A prestigious program is slated for a big increase next year thanks in part to recent data showing its ability to draw talented students into science.

Blood-Matching Goes Genetic
Hoping to prevent adverse transfusion reactions and save lives, European researchers are lobbying to replace serology-based blood typing with matching based on DNA tests.