Science Health & Safety FDA Approves Experimental Zika Screening For Blood Donations 4:27pm March 31, 2016 health care Science Health Share URL copied to clipboard! Copyright 2016 NPR. To see more, visit NPR. 300x250 Ad More All Things Considered Religion How the world is reacting to Pope Francis' death by Jane Arraf Environment A push for more coal has some in West Virginia worried about electricity prices 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate