space
8 Incredible Images That Make Mars Look Like A Petri Dish

Though NASA sadly spent its recent 55th birthday furloughing employees thanks to the US government shutdown, the discovery of water in Martian soil just a week earlier made for a pretty thrilling development at the agency. Read More >>

photography
Explaining What the Hell F-Stop Is, and How It Can Change Your Photography

F-stop is to photography beginners what inorganic chemistry is to an MFA graduate: some kind of black magic that only makes sense to experts. That said, I'm sure plenty of seasoned photographers use f-stop numbers without knowing what they really mean, too. But no more, because this video explains the concept in a way that makes complete sense. Read More >>

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