The distribution of kōwhai and its close relatives throughout the Southern Hemisphere has intrigued scientists, including Charles Darwin, for over 150 years. Recent research led by Lara Shepherd has revealed more about the relationships among this iconic group of plants.Read more

A preserved giant weta in a jar with a very long worm coming out of its behind

Despite appearances, this is not a mutant tree wētā. The coils emerging from the rear of the wētā belong to one or more Gordian (or horsehair) worms. Bug expert Dr Phil Sirvid explains the bizarre behaviour of this parasitic worm and why this specimen is a tour favourite.Read more