Why do bombardier beetles shoot boiling spray?
Beetle's Boiling Blaster
Why do bombardier beetles shoot boiling spray?
Picture a tiny beetle, no bigger than a grape, minding its business under a log. A hungry spider creeps closer. The beetle doesn't run. Instead, it aims its rear end like a cannon and — PFFT! — blasts the spider with boiling-hot poison spray. The spider staggers back, confused and scorched. The beetle strolls away. What just happened?
Most beetles, when a predator shows up, have to hide or fly away fast. The bombardier beetle carries a built-in chemical weapon — two separate liquids stored in chambers inside its abdomen, kept safely apart like ingredients waiting in different bowls. On their own, these liquids are harmless. But mix them, and you get an explosion.
