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    Eons
            When Insects First Flew
                
                    
                        
                            Season 1
                        
                    
                    
                        
                            Episode 49
                        
                    
                
            
            
            Insects were the first animals to ever develop the ability to fly, and, arguably, they did it the best. But this development was so unusual that scientists are still working on, and arguing about, how and when insect wings first came about.
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