The bombardier beetle defends itself by firing a chemical spray at about 100 °C.
Why it is true
Inside its abdomen, the insect mixes hydroquinones and hydrogen peroxide in a chamber full of enzymes. The reaction releases heat and a nearly boiling spray of benzoquinone, fired in hundreds of tiny pulses per second at ants, spiders and toads.
Source: Science (Arndt et al., 2015)
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