May 21, 2013 — A high water table and red clay that soaks up the moisture make dry basements an expensive and iffy proposition right in the heart of Tornado Alley.

May 21, 2013 — Sens. Tom Coburn and James Inhofe have become the faces of pushback on federal emergency spending. Now the deadly and devastating tornado in their home state has put them in an awkward position.

May 21, 2013 — In the aftermath of horrible acts of violence, whose faces stick in our memory? Whose faces should?

May 21, 2013 — Religion is often organized in terms of a god, or gods. It's a system of beliefs embodied in a being or beings. But that's not always the case. It can mean more, a lot more, says Adam Frank after finding inspiration in the writing of Ronald Dworkin.

May 21, 2013 — Engineers have figured out a way to get crystals to form rose and tulip sculptures, each smaller than a strand of hair. The gardens sprout up on a penny dipped in a salt solution. The technique is similar to 3-D printing and could one day be used to make any complex shape.