The GeoEye-1 satellite will be capable of making out details on Earth just 16 inches across. It will be the highest resolution satellite run by a private company; it's images will be marketed to a range of governments and private customers.
The massive Large Hadron Collider at CERN is just a few weeks away from startup. The particle accelerator has passed several key performance tests, and is on track to send the first beam of particles through the ring of the accelerator on Sept. 10.
State and local governments across the country are requiring a growing list of vaccinations for children entering school. Public health advocates say that the vaccines are well-tested and serve a vital role in preventing disease outbreaks, but some parents still have concerns.
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Scientists report that they have been able to selectively kill the defective autoimmune cells that were destroying insulin-producing islets in samples of human blood. Denise Faustman, director of immunobiology at Massachusetts General Hospital East, describes the latest diabetes research.
Bioengineering researcher Michael Dickinson used superslow-motion video cameras to study how flies are so effective at avoiding swatters. He found that flies perform an elegant ballet with their legs — responding to threats in less than 1/10 of a second.