Copper is a soft metal that is an essential element for enzymes and life, gives octopuses their blue blood and was often used to make coins. Allan Blackman from AUT has the lowdown on copper in ep 22 of Elemental.

Famous as the colour of blue glass and important in red blood cells, cobalt can form a permanent magnet and is vital for livestock. Allan Blackman from AUT talks about his favourite element in ep 21 of Elemental.

Famous as the colour of blue glass and important in red blood cells, cobalt can form a permanent magnet and is vital for livestock. Allan Blackman from AUT talks about his favourite element in ep 21 of Elemental.

ESR is using a laser to scan crime scenes, allowing police and juries to 'fly through' the scene long after the event.

ESR is using a laser to scan crime scenes, allowing police and juries to 'fly through' the scene long after the event.

ESR is laser scanning crime scenes, and the kakapo breeding has been busy on Anchor Island.

ESR is laser scanning crime scenes, and the kakapo breeding has been busy on Anchor Island.

The death of Hoki from a fungal infection brings the number of adult kākāpō to 146, while there are 77 chicks. Ep 17 of the Kākāpō Files includes a visit to Anchor Island & all the latest news.

The death of Hoki from a fungal infection brings the number of adult kākāpō to 146, while there are 77 chicks. Ep 17 of the Kākāpō Files includes a visit to Anchor Island & all the latest news.

Chromium is a transition metal that gives colour to precious jewels, the shine to your car fender and your kitchen bench, but can also be a killer. All this and more in ep 20 of Elemental with Allan Blackman from AUT.