No matter what face you put on it, science is a powerful tool. Here, engineer Marcus Hold works on a nearly completed RoboThespian. Marvels of modern science, these fully interactive and multilingual humanoid robots are increasingly being sold to academic research groups.
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In a photo released by SeaWorld San Diego, Kasatka, a killer whale who is approximately 37 years old, swims with her newborn calf in February 2013.
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