What exactly is a calorie and why do we care?

By now, in 2015 with gluten excommunicated from diets and paleo celebrated and superfood vegetables being discovered left and right, we all generally know what kind of food is good for you and what kind of food is bad for you. But do most of us really know what a calorie is other than a big number being worse than a little number? Probably not! Here’s a video from Ted Ed breaking down the unit of measurement that runs so many lives.

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Jordan Brand Just Dropped a “Marvin the Martian” Clothing Collection

Last month, Jordan Brand debuted Blake Griffin’s new sneaker with a little help from an old frenemy, Marvin the Martian. Now, with a rumored “Marvin the Martian” Air Jordan VII Retro on the horizon, Jordan Brand is giving the villain some more shine with his own clothing collection.

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The Magnus Effect is why a Ball With a Bit of Backspin Goes Like This

Drop a basketball with backspin from a great enough height, and something rather interesting happens. In the video below, Veritasium’s Derek Muler explains the Magnus effect, and why the phenomenon can cause a ball with even a little spin to swerve so dramatically from its expected path.

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How graphic designers photoshopped images before Photoshop existed

Life was basically impossible without Photoshop. The process and tools it took to get images and type set just the way you wanted took an eternity. There were no shortcuts! You needed a rapidograph pens, T-squares, rubber cement, exacto knifes and so much more just to do things Photoshop now does in one or two clicks.

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