Iron is necessary to maintaining a healthy body, but did you know too much can actually be dangerous?
True or false:we are now in the midst of a heart-failure epidemic? Find out on this Moment of Science.
Arithmophobia–is that a fear of arithmetic? As you probably already know, there are people who have irrational fear of certain numbers. It’s called “arithmophobia” or “numerophobia.” As it turns out, this is true of different cultures as well.