U.S. researchers say the smartest way to safeguard a reservoir's water is to let it drain into the ground.
Researchers at Britain's Manchester University have said hearing voices is not necessarily a sign of mental illness.
Researchers in Washington say smokeless tobacco is much safer than cigarettes but the jury is out on whether smokers should be encouraged to switch habits.
Scottish researchers have found that drugs used to treat Parkinson's disease appear to turn some patients into gambling addicts.
With increasing numbers of twins swamping intensive care units, British women may soon be barred from having twins through in vitro fertilization treatment.
Water levels in Lake Michigan and Lake Huron, although constantly in flux, are showing a steady decrease, experts say.