A programmable LED pumpkin at hacker space HacDC, in Washington, D.C., designed by member David Kaufman. Many Halloween purists prefer to design, rather than buy, high-tech ghouls, goblins and ghosts.
Jacob Fenston for NPR
Researchers say one reason physicists are good at poker is because their brains are particularly attuned to thinking about probability, statistics and modeling.
Mikko J. Pitkanen/iStockphoto.com