Our Changing World

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Acid test for coastal seas

9:34 PM.The ocean is becoming more acidic, and this change is most pronounced in coastal seas. Marine scientists have received $4.9 million to work out what is going on and how this affects marine life along the coast.

The virus hunter and the rare plant

9:20 PM.Virus hunter and botanist Paul Guy has been called in to help threatened native cress plants that are being infected by three different brassica viruses.

Tuning into whale song

9:06 PM.NIWA marine ecologist Kim Goetz is setting up acoustic monitoring stations in Cook Strait to eavesdrop on whales and dolphins as they migrate through New Zealand waters.

Up, up and away

Last week, NASA finally successfully launched a super pressure balloon from Wanaka Airport, following several attempts that had been thwarted by foul weather.

Healthy homes: a breath of fresh air

9:45 PM.Veronika Meduna joins BRANZ physicist Manfred Plagmann as he equips a home with sensors that track how heat and moisture move through the rooms.

Solar storms and electricity supply

9:36 PM.Craig Rodger explains how large solar storms can overwhelm the protective shield of the earth's magnetic field and disrupt national power grids.

Learning from past floods

9:20 PM.University of Waikato professor of environmental planning Iain White argues that our 'same again' response to flooding is hindering our ability to plan more effectively.

Birds, feather colour – and sex

9:06 PM.Why are some male birds brighter and showier than females of the same species, and sometimes both are bright? Sexual selection, size and living in the tropics are all part of the answer.

Fat Science

9:45 PM.Auckland diabetes specialist Robyn Toomath argues that society is to blame for the rise in obesity, and Massey University sociologist and runner Andrew Dickson shares his experience of being a big athlete.

Lipoprotein(a) - little known but high risk for heart disease

9:35 PM.Lipoprotein(a) increases the risk of heart disease in 20% of people and doesn't respond to diet or exercise, so the hunt is on to find a treatment.

Timing the Anthropocene

9:20 PM.Later in 2016, an international group will decide if the Holocene has given way to a new geological period marked by our impact. NIWA geochemist Helen Bostok gives a Southern Hemisphere perspective on the debate.

Goodie goodie - bird watching with Bill Oddie

9:06 PM.Use your ears and spend time on your own just listening and observing birds - good advice from one of the world's best known bird-watchers and ex-Goodie, Bill Oddie.

Dunedin's royal albatrosses and #royalcam

9:46 PM.There are 26 chicks in the royal albatross colony at Dunedin's Taiaroa Head this year - and the #royalcam chick is very much in the public spotlight.

Hand-rearing kākāpō chicks

9:44 PM.Veronika Meduna visits a veterinary facility in Invercargill where staff look after kākāpō chicks that had to be taken off their island homes to be hand-reared.

Silencing science

9:30 PM.Shaun Hendy, the director of the centre of research excellence The Pūnaha Matatini, discusses his latest book, Silencing Science, in which he tackles the issue of why scientists are often reluctant to speak out publicly.

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