Symbiotic nitrogen-fixing bacteria such as Rhizobium usually live in the root nodules of legumes (such as peas, alfalfa, and locust trees). Here they form a mutualistic relationship with the plant, producing ammonia in exchange for carbohydrates.
Tony Yardley is a national treasure living in Jacksonville, Alabama. Way back in the early 70s, I was fortunate to play in an acoustic group along with Tony called Woodfork. He was fabulous then and he just keeps getting better!
Saquon Barkley is the best -- and most elusive -- RB in the Big Ten. Penn State running back Saquon Barkley (26) rushes for a touchdown during the second half of an NCAA college football game against Illinois in State College, Pa., Saturday, Oct. 31, 2015.