Study: Beef Pollutes More than Pork
Globe on Fire: June Had Record Heat
HIV Creates Viral Reservoirs Soon
N Colonial Battleground Excavated
Research on Pot, PTSD on Hold
Raising beef for the American dinner table does far more damage to the environment than producing pork, poultry, eggs or dairy, a new study says, with five times the heat-trapping gases per calorie.
The globe is on a hot streak, setting a heat record in June. That's after a record May. The month of June beat 2010's old record by one-twentieth of a degree -- akin to winning a horse race by several lengths.
In a sobering discovery, researchers say that rapid treatment of HIV-like infections in monkeys failed to prevent the establishment of persistent viral reservoirs in as little as three days.
Archaeologists are excavating an 18th-century battleground that was the site of a desperate stand by Colonial American troops, the flashpoint of a massacre and much more.
Veterans, medical marijuana activists and scientists welcomed the first federally approved research into pot as a treatment for post-traumatic stress disorder. But their hopes were soon dashed.