A group of middle school girls is puzzling over a pie chart about reading habits in the U.S. Their “math designer” stands at ...

A group of middle school girls is puzzling over a pie chart about reading habits in the U.S. Their "math designer" stands at the front of the room, encouraging students to share what they "notice and ...

Six decades after launch, chlorpyrifos defies bans as courts, chemistry, and farmers revive a controversial pesticide ...