Two new studies explore the genetic mechanisms connecting aging and tumor growth in Caenorhabditis elegans. This work should provide a basis to consider ways to prevent and treat age-dependent cancers.
Will these nights simply be a page in the history of America or the start of a completely new chapter? NBC Political Director Chuck Todd previews Obama's acceptance speech.
AP - Asif Ali Zardari, the man poised to become Pakistan's next president, is still known as "Mr. 10 Percent" because of corruption allegations. Now his own lawyers say he may have suffered from mental health problems within the past year.
AP - It seems like an easy solution: Americans are looking for more fuel-efficient vehicles, so Ford Motor Co. is bringing over some of the small, gas-sipping cars it's been selling to Europeans for years.
