Our Changing World

What if there was a magic number that proved you right? There's no such thing, but we do have the p-value which is the probability that your scientific hypothesis is right. Read more Audio

Science communication student Amy Archer, from the University of Otago, investigates recommendations from the South-East Marine Protection Forum for marine reserves on the Otago coast. Read more Audio

Zirconium is a shape-shifting tough cookie, that is a tale of gemstones, medical implants and nuclear reactors, says Allan Blackman from AUT in ep 96 of Elemental. Read more Audio

Zinc is a very useful metal that turns up in everything from sunscreen to paint, & galvanised metals to cereals, as well as brass instruments, says Prof Allan Blackman in ep 95 of Elemental. Read more Audio

Damian Christie is in search of his origins - from the beginning of the universe, to human evolution & Polynesian settlement in the Pacific. Read more Audio

Yttrium is yet another element named after the village of Ytterby and is important in the development of high temperature superconductors, says Allan Blackman from AUT in ep 94 of Elemental. Read more Audio

Ytterbium is yet another lanthanoid named after the Swedish village of Ytterby, says Prof Allan Blackman in ep 93 of Elemental. Read more Audio

Charlie Dreaver investigates the issues around strengthening apartment buildings to make them more resilient to earthquakes. Read more Video, Audio

Xenon is a noble gas that turns up in various lights, gets used in xenon ion propulsion systems for spacecraft & plays a key role in the search for dark matter, says Prof Allan Blackman from AUT in ep… Read more Audio

Vanadium makes steel stronger & lighter, is being used in what will be the world's largest battery, and sea squirts are full of it, says Prof Allan Blackman from AUT in ep 91 of Elemental. Read more Audio