• December 2, 2013  

    In the past, public school standards varied state to state. With backing from the federal government, some governors and superintendents collaborated on a national "Common Core." But they define only the "what" — what kids should know, not how they should be taught. Special education correspondent John Merrow reports. Continue reading

  • November 15, 2012  

    Sleep deprivation can cause serious health and cognitive problems in humans. In short, it can make us fat, sick and stupid. But why do humans need so much sleep? Science correspondent Miles O’Brien talks to scientists on the cutting edge of sleep research and asks if there’s any way humans might evolve into getting by with less. Continue reading