The author of the field guide 'Cicadas of New Zealand' is 11-year-old Olly Hills, and Blake Porter is investigating the brain and what makes us quit or persist with different tasks.

The author of the field guide 'Cicadas of New Zealand' is 11-year-old Olly Hills, and Blake Porter is investigating the brain and what makes us quit or persist with different tasks.

Dilys Johns is an archaeologist who specialises in conserving waterlogged Māori taonga such as ancient waka and wooden gardening tools.

Dilys Johns is an archaeologist who specialises in conserving waterlogged Māori taonga such as ancient waka and wooden gardening tools.

One of Australia's smallest wallabies - the nabarlek - shares an unlikely dental similarity with sharks: the ability to continually replace its teeth.

One of Australia's smallest wallabies - the nabarlek - shares an unlikely dental similarity with sharks: the ability to continually replace its teeth.

Dilys Johns specialises in conserving waterlogged archaeological items such as wooden waka and early Maori gardening tools, and the nabarlek is an unusual small wallaby that can continuously replace its teeth.

Dilys Johns specialises in conserving waterlogged archaeological items such as wooden waka and early Maori gardening tools, and the nabarlek is an unusual small wallaby that can continuously replace its teeth.

Myrtle rust is having a profound impact on native plants and ecosystems in Australia - what will its effect be on New Zealand forests?

Myrtle rust is having a profound impact on native plants and ecosystems in Australia - what will its effect be on New Zealand forests?