AT the beginning of this century, one of the facts most intriguing to chemists was the impossibility of concentrating some of the radioactive elements. Radium D, for example, a substance well ...

You are more like a mouse than you might think! Today, scientists are creating models of human genetic disease using mice, flies, worms, and other animals. But what do these models reveal about us?

How did these radioactive pups defy the odds and ... radiation exposure in experiments to induce beneficial mutations in plants and animals. The dogs living in Chernobyl may be experiencing ...