Looking for new ways to get students reading and responding to nonfiction? Try these exercises for discussion, writing and speaking. By Peggy Dimock Lead poisoning can cause lower I.Q.s ...

Richard Conniff, a Smithsonian contributor since 1982, is the author of seven books about human and animal behavior. A mammoth discovery in 1705 sparked a fossil craze and gave the young United ...

India has 29 states with at least 720 districts comprising of approximately 6 lakh villages, and over 8200 cities and towns. Indian postal department has allotted a unique postal code of pin code ...