Scientists say a brief burst of radio activity has been detected at the Arecibo radio telescope in Puerto Rico. This new report resembles previous activity detected in Australia, which has scientist debating possible causes, including solar flares, blitzars, or something even more mysterious. Brian Negin/iStockphoto hide caption

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It took 101 takes to get the right shot for Gideon Gidori's Kickstarter video. He hopes supporters will fund his flight school tuition in exchange for a secret potato salad recipe. via Kickstarter hide caption

itoggle caption via Kickstarter

During the Apollo 12 mission, astronaut Alan Bean holds a container of lunar soil. The astronaut Charles "Pete" Conrad, who took the photograph, is reflected in Bean's faceshield. Bean says he used to think that in his lifetime, we'd build a base on the moon and start preparing to travel to Mars. Hulton Archive/Getty Images hide caption

itoggle caption Hulton Archive/Getty Images