For a long time biologists believed that male deer used buck rubs not only to clean and polish antlers but also to provide practice for the ensuing male-to-male combat during the rut.
Researchers have long been interested in whether animals possess this capability, but couldn't test it because animals aren't able to report their feelings.
She was cloned from a single cell of an adult female sheep, overturning long-held scientific dogma that had declared such a thing biologically impossible.
A royal commission into the disaster was announced amid mounting concern that the longstanding strategy for bushfire emergencies may have had catastrophic consequences for some people.
It has a predictable, six-month release schedule, with occasional Long Term Support versions that are supported with security updates for three to five years.