On Tuesday morning, space shuttle Discovery will become the first of NASA's three shuttles — plus a shuttle prototype — to travel to its new retirement home.
NASA flew its last shuttle flight in July. Since then, it's been prepping the spaceships to become museum displays. And even though the shuttles are headed to places like Los Angeles and New York rather than the space station, figuring out how to get them there has still been a major undertaking.
More states are wrestling with that question, now that the Obama administration is encouraging schools to evaluate teachers with a combination of student test scores and classroom observations.
The question of whether teacher evaluations are reliable indicators for teacher effectiveness has long been controversial. But New York City reignited the debate when it rated thousands of teachers with test scores alone — and then released those ratings to the public.
The yearlong tumult of the Arab Spring has reached all the way to the Metropolitan Museum of Art in New York.
A stunning and timely new show, "Byzantium and Islam: Age of Transition," covers exactly the places caught up in modern day revolts, and many of the developments from more than a millennium ago are closely linked to the events of today.