May 21, 2013 — The high school in Moore, Okla., wasn't badly damaged by Monday's tornado. But a special ed teacher stayed with her own students there rather than hunting for her own daughter at a wrecked elementary school.

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 — When Margot Adler learned that a cousin had hidden from the Nazis in Amsterdam, she was stunned. Adler started digging around and discovered that like Anne Frank, 25,000 Dutch Jews hid, and two-thirds of them survived. Her cousin was one of them.

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.

May 21, 2013 — On his new songs, the rapper points fingers in every direction, including back at himself.