It’s an essential astronaut skill: the ability to focus simultaneously on the mundane task at hand — tightening a bolt on the side of a space station, for instance — and its place in the big picture — your mission’s aim to advance science and get you back home in one piece. (more…)
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ANN ARBOR — On opposite sides of the globe over millions of years, the snakes of North America and Australia independently evolved similar body types that helped them move and capture prey more efficiently.
Snakes on both continents include stout-bodied, highly camouflaged ambush predators, such as rattlesnakes in North America and death adders in Australia. There are slender, fast-moving foragers on both continents, as well as small burrowing snakes. (more…)