Teachers can use these questions to draw students out and get worthwhile formative assessment responses to guide instruction.

How did self-replicating molecules come to dominate the early Earth? Using the mathematics of evolutionary dynamics, Martin A. Nowak can explain the change from no life to life Back in March the press ...

LEONARD SUSSKIND is a professor of theoretical physics at Stanford University and director of the Stanford Institute for Theoretical Physics. He is regarded as one of the fathers of string theory, a ...

Even the most hidebound male chauvinists have been forced to admit that girls are as good at math as boys, on average. Boys no longer start outperforming girls at age 12 or 13, as they did as late as ...