Ants have tiny magnetic compasses in their antennae which help them navigate.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
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Placing alcohol on a scorpion's back will make it go crazy and fatally sting itself.
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Flies are deaf.
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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
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Mosquitoes don't just bite you, they also pee on you.
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