Scientists have established the authenticity of a cloth dipped in the blood of France's King Louis XVI. A memorial depicts the executed king and Queen Marie-Antoinette at Saint-Denis, near Paris. Joel Saget/AFP/Getty Images hide caption

itoggle caption Joel Saget/AFP/Getty Images

Shaken with splash of malaria drug, please. The original James Bond martini is made with gin, vodka and Kina Lillet, a French aperitif wine flavored with a smidge of the anti-malaria drug quinine. Karen Castillo Farfan/NPR hide caption

itoggle caption Karen Castillo Farfan/NPR

This Hanukkah lamp, made in Italy in the 19th century, depicts Judith holding a sword in one hand and the severed head of Holofernes in the other. The Jewish Museum, New York / Art Resource, NY hide caption

itoggle caption The Jewish Museum, New York / Art Resource, NY

Joe Hoagland, left, pushes a canoe through a wild rice bed as 14-year-old Chris Salazar learns how to harvest the rice. Jim Mone/AP hide caption

itoggle caption Jim Mone/AP

1909. Facing nearly due west from ridge northeast of Como Lake. Light selection cut in open ponderosa pine. Ground cover is comprised of perennial grasses and forbs, including basalmroot. A few low-growing bitterbrush plants can be seen in the vicinity of horses and in distance on left. A group of willows can be seen behind horsemen at left center. Photo 87357/U.S. Forest Service hide caption

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The U.S. Supreme Court, 70 years after rejecting Roscoe Filburn's bid to limit the federal government's power to regulate commerce. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

Notice how some of these tomatoes have unripe-looking tops? Those "green shoulders" are actually the keys to flavor. pocius/Flickr.com hide caption

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The barons wanted King John to stop seizing their grain. The fish weirs had to go, too. Wikimedia Commons hide caption

itoggle caption Wikimedia Commons