Only 59% of adults know that the earliest humans and dinosaurs did not live at the same time.
Only 47% of adults can roughly approximate the percent of the Earth's surface that is covered with water.*
Only 21% of adults answered all three questions correctly."
This is the silliest thing. It is more often what you don't know that kills you. It is not like these things weren't talked about in elementary school.
I certainly don't expect most people to be able to be able to make a car from iron ore but they should have some understanding of basic science. Most people have no idea how virtually anything around them works.
There was the time in some megamart that the lights went out and some poor lady started screaming like crazy, prepared people whipped out their cellphones and she calmed down but that reaction was totally out of proportion to the event, it's not like there was earth movement or the roof caving in.