HARRISBURG, Pa. (AP) Teachers are leaving their jobs at an accelerating rate in Pennsylvania, amid fears of a nationwide exodus of burned-out teachers and
The first building blocks of life on Earth may have formed as a result of eruptions from the Sun, a new study finds. A series of chemical experiments show how solar particles, colliding with gases in Earth's early atmosphere, can form amino acids and carboxylic acids, the basic building blocks of proteins and organic life.
A new study shows that one dose of a vaccine that can prevent the virus that leads to most cases of cervical cancer may be as effective as the usual two or three doses.
The last couple of weeks, I've made allusions to the "Bat Signal" (or, as I called it, the "Cancer Signal," although that's a horrible name and I need to think of a better one). Basically, when Bat Cancer Signal goes up (hey, I like that one better, but do bats get cancer?), it means that a study or story has hit the press that demands my attention.