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The National Geographic website reports that when a researcher put 84 dogs in separate rooms with food on the floor and told each dog to leave the food alone, their response varied according to whether or not the light was on. The dogs were four times as likely to steal the food–and steal it quickly–when the room was dark.

They quote researcher Juliane Kaminski as saying, "It implies dogs understand (that) the human can’t see them, meaning they might understand the human perspective."
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Why adopt a pet from the pound when you can print out any kind of pet you want? Three-dimensional printing can make objects ranging from violins to pilotless aircraft, so why not a unique pet, designed especially for you.

The Economist writes: "The idea of printing organs such as kidneys for transplant has been around for several years. It works by growing separate cultures of individual cell types, and then spraying them out, layer by layer, in combination with a binding agent called a hydrogel, to build up the correct shape.
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Get your dog ready for that Christmas party: Buy him a nice red sweater and BRUSH HIS TEETH! The problem isn’t just bad breath: By the age of 3, about 80% of dogs and 70% of cats already have gum disease, and preventative measures are key to identifying and stopping the disease before it gets too bad and teeth start falling out.
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