Our Changing World for Thursday 4 February 2016

9:50 PM.In an ambitious world-first, scientists are using crowd-funding to pay for genome sequences for all 125 living kakapo - the first time an entire population will be sequenced. Read more Audio

9:45 PM.Italian seismologist Giulio Selvaggi is visiting New Zealand to talk about his experience of being first convicted, and then acquitted, of manslaughter following a deadly earthquake in the Italian… Read more Audio

9:34 PM.Geologists wonder if bacteria and biological processes might play a role in the growth of gold nuggets in Central Otago rivers, as well as chemical and physical processes. Read more Audio

9:20 PM.Theoretical chemist Nicola Gaston discusses her book about sexism in science and why she thinks the problem is pervasive and systemic. Read more Video, Audio

9:06 PM.Australasian bitterns are one of New Zealand's most cryptic and threatened wetland birds, and the males attract females with a deep foghorn boom. Read more Audio, Gallery

12:00 PM.The UK approves the use of new gene editing techniques on human embryos for research purposes. Read more