Our Changing World

Electroclear is a start-up company at the University of Auckland using electric fields to deter small marine organisms from settling on boats and underwater structures. Read more Video, Audio

Paternity testing has revealed who the top kākāpō dads are, as well as the success of the artificial insemination programme, in ep 22 of the Kākāpō Files. Read more Audio

Lithium is the lightest metal, and it is used in batteries and for the treatment of bipolar disorder, says Prof Allan Blackman from AUT in ep 44 of Elemental. Read more Audio

Lead is the element that took down an empire, and its sweet taste belies a metal that is dangerous for human & animal health. All this and more with Prof Allan Blackman from AUT in ep 43 of Elemental.

Prof Harlene Hayne investigates childrens' artworks: are they just a picture or do they offer insights and clues into the kid's emotional world? Read more Audio

Despite giving its name to a whole group on the periodic table, chemists can't agree if lanthanum even belongs in that group, says Prof Allan Blackman from AUT in ep 42 of Elemental. Read more Audio

In real life krypton is a noble gas which is commonly used in neon signs and laser light shows, says Allan Blackman from AUT in ep 41 of Elemental. Read more Audio

Professor Rangi Mātāmua talks about the 120-year-old book which has preserved his ancestors' knowledge of Māori astronomy. Read more Audio

Iron is formed in stars, makes up most of the Earth's core & as a result enables life as we know it to exist, says Prof Allan Blackman from AUT, in ep 40 of Elemental. Read more Audio