It is only the seventh case of the deadly disease reported in the U.S. since it first emerged in the country in 2003.
Oklahoma's state health department is investigating reports of suspected meningitis in people who swam in local lakes and rivers. The cause remains unknown, but a dangerous brain-eating amoeba has been ruled out.
A potential antidote for death cap mushrooms has been discovered and tested in lab dish studies and in mice.
Space, outer space, and deep space — which is further out, and which is the real final frontier?