Dragonflies have compound eyes, which consist of a number of smaller visual units. While houseflies have 6000 compound eyes, dragonflies have up to 30,000. These units present the dragonfly with one picture, not 30,000 little ones.

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Wilhelm Friedemann Bach (Wikipedia) Wilhelm Friedemann Bach (22 November 1710 – 1 July 1784) was a German composer, organist and harpsichordist. He was the second child and eldest son of Johann Sebastian Bach and Maria Barbara Bach. Despite his acknowledged genius as an improviser and composer, his income and employment were unstable, and he died in poverty.

How Animals See the World (artsandculture.google.com) Each type of animal on Earth has evolved a range of senses and skills which allow it to live successfully in its environment. Many of these adaptations are very different from how humans have evolved, and compared to humans some of these adaptations feel like they belong in a superhero comic. Senses such as ultraviolet vision, extra color receptors, and echolocation are very hard for humans to imagine, yet are part of the everyday life of hundreds of species of animals.