The center of the Earth doesn’t easily give up its secrets, but sometimes it does spew up diamonds. To find the good ones, though, you have to know where to look. Stephen Haggerty, a geologist at Florida International University, has discovered a strange plant in a West African jungle that could make finding diamonds a whole lot easier.
Tall Plant, Secret Sign?
Diamonds are forever, or so the song says. They are certainly old—from one to three billion years old. Diamonds are the hardest natural substance
