>>Researchers have learned that a species of ant saves its wounded comrades and transports them back to the nest for medical treatment.
Dr Erik T. Frank, who led the research on African Matabele ants, believes it’s the first time any insect species has been found to dress the wounds of other individuals.<<
http://www.abc.net.au/news/science/2018-02-14/ant-medics-rescue-comrades-for-medical-treatment/9423052?section=science
An unexpected discovery, especially from an insect. Shows how little we know of nature.