Science

Work of pioneering Arctic explorer from Minnesota gains new relevance in tracking effects of climate change
Canadian researchers have been traveling to Minnesota to view plant specimens gathered in the Arctic decades ago by a boot-clomping, chain-smoking librarian who grew up near Duluth. The work of Margaret Oldenburg is finding new relevance as a way to better understand the effects of climate change.
NASA capsule buzzes moon, last big step before lunar orbit
NASA's Orion capsule has reached the moon, whipping around the back side and passing within about 80 miles. The close approach occurred Monday as the crew capsule and its three test dummies were on the far side of the moon. 
From science fiction to reality, 'no kill' meat may be coming soon
The meat of the future may be cultured directly from animal cells without slaughtering livestock. It's not yet sold in the U.S., but NPR got a tour of a leading start-up and a taste of their chicken.