Zinc and coronavirus: The supplement may help reduce ...- hand sanitizer import condition ,Zinc and coronavirus: The supplement may help reduce severity of symptoms, but it's no cure. The origins of this misinformation and the science behind it.Huge Dust Storm on Mars Hits NASA's Opportunity Rover ...A massive dust storm on Mars has sidelined NASA's Opportunity rover, stalling the robot's science work as it waits out the still-growing tempest.