30 abril 2015
Bombardier beetles, which exist on every continent except Antarctica, have a pretty easy life. Virtually no other animals prey on them, because of one particularly effective defense mechanism: When disturbed or attacked, the beetles produce an internal chemical explosion in their abdomen and then expel a jet of boiling, irritating liquid toward their attackers.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/J8NRsItFUGU/150430145122.htm
