Getting shot in the head by anything is almost always a death sentence. But there are those rare cases where an individual receives what should've been a fatal head injury and somehow survives. An X-ray image released in 2012 shows just how lucky one 16-year-old was to survive a fishing trip ...

So how smart are dolphins? This video by renowned scientist Lori Marino, explains how their intelligence evolved. Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to ...