Laurie Hackett

SHNS' Isaac Wolf reports on an independent lab test of national gasoline brands for detergent additives, which affect the health of vehicle engines and environment; some automotive and fuel experts contend the Environmental Protection Agency's minimum standard is outdated.

Tens of millions of animals are still sacrificed to biomedical research projects in labs across America each year. Scientists say the studies have to go on to find cures; animal protectionists say much of the work is dubious, but all sides agree better and cheaper technology needs to be found.