Sarah LaFramboise

An unidentified Army defender pulls down Navy quarterback Craig Candeto (11) in the third quarter the 104th Army-Navy football game, Dec. 6, 2003. (AP/Rusty Kennedy)

Scientists are trying to diagnose concussions through a simple blood test

Sarah LaFramboise
FILE - In this Saturday, Aug. 13, 2016 file photo, a marijuana plant awaits judging in the Oregon Cannabis Growers' Fair marijuana plant competition in Salem, Ore. (AP)

Bioengineered yeast can produce the active ingredients of marijuana better than the plant

Sarah LaFramboise