Mathematics is a nearly pure science. I use the word "nearly" because one plus one always equals two, but politicians often make $1 plus $1 equal $1 so they can then spend a third dollar to get to $2.

Well, it can also equal zero, one or ten. Anyway, that's what Theodore Herberg, director of research and curriculum in the Pittsfield schools, says in a new textbook he's written. To be specific: "1 ...

"One plus one is more than two — having two data points for TRAPPIST-1b now allows us to explore alternative scenarios for its atmosphere, whether it exists or not." When you purchase through links on ...