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Animals Influencing History
On November 3, 1957, Russia launched Sputnik 2 sending the first animal to space, orbiting the Earth. Laika (Barker in English) was a female mixed breed stray dog. Sadly, it is believed that due to heat and stress, she died a few hours after takeoff. But hers and other dogs flights paved the way for […]
Cataracts
The lens of the eye is normally transparent, allowing light through to the retina in back of the eye. A cataract causes the lens of the eye to become cloudy or opaque, decreasing or eventually blocking light to the retina, causing impaired vision and eventually blindness. Cataracts can be hereditary or caused by disease such […]