Why do insects hit lamps? Detailed answer

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Why do insects hit lamps? Detailed answer

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Why do insects hit lamps?

Insects navigate in flight around the world. They fix the source - the Sun or the Moon - and maintain a constant angle between it and their course, taking a position in which the rays always illuminate the same side. However, if the rays from the heavenly bodies are almost parallel, then from an artificial light source the rays diverge radially. And when the insect chooses a lamp for its course, it moves in a spiral, gradually approaching it.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

What animals at the moment of danger can make claws from subcutaneous bones?

The African frog Trichobatrachus robustus has a unique defense mechanism. At the moment of danger, her subcutaneous bones on her paws pierce the skin and protrude outward like cat claws. How the reverse "retraction" occurs is still unknown - presumably, the torn tissue regenerates, and the bones grow together again.

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