NPR: 07-22-2007 Health & Science

Stories: 1) Proposal Funds Child Health Care with Tobacco Tax 2) Summer Bounty Prompts Preservation Lesson 3) Hotter, Drier Climate Moves Up Sky Islands' Slopes 4) Researchers Solve Checkers, Once and for All 5) Underground Lakebed Sparks Hope for Darfur 6) Health Care Mediators show more...