The effect of water velocity on shape has been well documented for freshwater fishes, and streamlining and robustness have been linked with improved performance in different water-velocity (high and low, respectively) conditions (Langerhans et al. 2003, Haas et al.
One of the most inspiring deaf or deafblind women is Helen Keller. Even today, her biography fascinates people. Helen Keller was born June 27, 1880 in Tuscumbia, Alabama. An unidentified illness took her hearing and sight when she was only 19 months old. After losing both, she became wild and uncontrollable due to her inability to communicate and learn.
Anne Sullivan would let Helen Keller feel an object, and then she finger-spelled the word to the object into Helen's eager hands. A few repetitions were usually enough for Helen to learn the word. But verbs were not as easy for Helen to learn or for Annie to teach.