奇闻趣事（3）
Interesting Facts（III）1) No two spider webs are exactly the same.
2) Owls eyeballs are not round like ours, but tubular.
3) There are about 2,600 different species of frogs.
4) The Greek national anthem has 158 verses. Only the first two are played at the Olympics.
5) The volcanic eruption of Tambora in Indonesia in 1815 killed the most people. Close to 92,000 people died.
6) The Turkey Vulture's digestive system has the unique ability to kill any virus or bacteria in the food the bird eats.
7) The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.
8) A blue whale's tongue weighs more than an elephant.
9) Dolphins sleep with one eye open.
10) Tomatoes and cucumbers are fruits.
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