FILE - At left, in an Oct. 23, 2014, file photo, Denver Broncos quarterback Peyton Manning calls a play against the San Diego Chargers during the first half of an NFL football game in Denver. At right, in a Sept. 29, 2014, file photo, New England Patriots quarterback Tom Brady points on the line of scrimmage during the first quarter of an NFL football game against the Kansas City Chiefs in Kansas City, Mo. New England has little time to savor its fourth straight win, a 51-23 pounding of the Chicago Bears. The Patriots must get ready to host Peyton Manning and the Denver Broncos next Sunday in the first of five straight games against top teams.(AP Photo/File)

Manning-Brady rivalry began in obscurity

Brady and Manning remain at the top of their respective games at an age 38 for Manning, 37 for Brady, when time had already delivered knocko…

dna

Scientists link 60 genes to autism risk

By tapping into the genetic foundation of the disorder, scientists theorize, it may be possible to provide more personalized treatment based…