Today, scientists are using the RNAi mechanism to learn more about what particular genes do and how to alter their function. Determining gene function is a relatively simple matter of inserting double-stranded RNA molecules that have a particular sequence into cells and observing the effects after RNAi silences the corresponding ...

The Remarkable Seth Cook - For more amazing video clips, click here This remarkable child, Seth Cook, suffers from the disease progeria. Hutchinson-Gilford Progeria syndrome is an extremely rare genetic condition which causes physical changes that resemble greatly accelerated aging in sufferers. The disease affects between 1 in 4 million ...