posted 7-Jan-2019  ·  
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Most tigers live in the United States compared to India where there used to be 40,000 of them a century ago. There are only about 7,500 wild tigers left, while another 12,000 tigers are kept as private pets in the US.

While the muscles that close the jaws of a crocodile or alligator are so strong , the muscles used to open the jaws are weak enough that it could be held tight with the use of an ordinary rubber band.

Work-related accidents and diseases kill as many as two million people every year, compared to 650,000 killed in wars.

Lightning has a brightness equivalent to 100 million light bulbs going off at once. Some strokes reach 200 million volts and are five times hotter than the sun’s surface. Lightning bolts travel at speeds of more than 70 million miles per hour.

Water is blue, although the color is faint. If one has a very large, very deed white pool and fills it with water and then looked down through it, he would see that the water is blue.

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