But sometimes I have to cut a sandwich or pizza in half. If the other person is equally hungry, they'll be scrupulous about ...

If NASA’s ambitious lunar exploration plans succeed, scientists will cover the moon with sensors—and find answers to several ...

Roger Camp of Seal Beach, Calif., is a poet, blues pianist, photographer and orchid enthusiast. When he’s not at home, he’s photographing in the Old World. His work has appeared in Spillway, Slant, ...

Robert Ghrist is a mathematician at the University of Pennsylvania. He works in applied algebraic topology and creates animations and visualizations of mathematics.

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