A cross-section of skeletal muscle in this light micrograph shows the individual, parallel muscle fibers (red). These fibers work in concert to power movement. Thomas Deerinck, NCMIR/ScienceSource hide caption

toggle caption Thomas Deerinck, NCMIR/ScienceSource

Whether the error in Supreme Court Justice Antonin Scalia's recent dissent was originally his fault or a clerk's doesn't make it less cringeworthy. Alex Wong/Getty Images hide caption

toggle caption Alex Wong/Getty Images

Wild bees, such as this Andrena bee visiting highbush blueberry flowers, play a key role in boosting crop yields. Left photo by Rufus Isaac/AAAS; Right photo courtesy of Daniel M.N. Turner hide caption

toggle caption Left photo by Rufus Isaac/AAAS; Right photo courtesy of Daniel M.N. Turner

The Golden Goose will retail for around $24. Courtesy Y Line Product Design hide caption

toggle caption Courtesy Y Line Product Design

Tornadoes killed at least 17 people on Sunday and Monday. But some managed to stay safe in underground shelters like the one at right in Vilonia, Ark. Karen E. Segrave/AP hide caption

toggle caption Karen E. Segrave/AP

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