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Nature
Gaining Vision Underwater
With severe myopia hindering her vision on land, scientist Mary Power's love for aquatic life began when she realized she could see much better underwater. The refraction of the water in her snorkeling mask allowed her to see clearly for the very first time.
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Relationships with cats and dogs are some of the longest and most intimate of our lives.
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52:55
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In 1893, a bounty hunter journeyed to New Mexico on a mission to kill a dangerous outlaw.
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