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Insects are some of the most abundantly found animals in the world! Stranger still, many insects haven't changed much in thousands of years. How do we know? Scientists have found fossils of ancient bugs that look similar to our bugs today! Through Scientific American's look at the fossils of insects, readers will discover the history of insects. With photographs of some famous fossils, readers will find out which bugs haven't changed in thousands of years and how some have evolved.