Our Changing World for Thursday 18 July 2019

8:00 AM.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

9:06 PM.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

8:50 AM.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

8:00 AM.After a fierce struggle for naming rights, the last lanthanoid element to be discovered was eventually named after Paris, says Allan Blackman in ep 45 of Elemental. Read more Audio