Heavy use of a broad-spectrum pesticide seems to have slowed the desert locust invasion. What the repercussions of that approach are isn’t yet clear. Seen from the air at dawn, a swarm of desert ...

Euny Hong is the former supervising editor at Investopedia.com. She is also the author of two critically-acclaimed, published books. Dr. JeFreda R. Brown is a financial consultant, Certified Financial ...