Our Changing World

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Acting on climate change - Royal Society of NZ report

9:40 PM.In its latest report on climate change, the Royal Society of New Zealand lays out options for how we coudl reduce greenhouse gas emissions.

Thar she goes! On the tail of the Kermadec humpback whales

9:38 PM.Satellite tagging has revealed that humpback whales that breed in Oceania socialise at Raoul Island in the Kermadecs and has shown where in Antarctica they go to feed.

Nematodes from the deep

9:20 PM.Sediment samples collected from 6,000 - 9,000m deep in the Kermadec Trench were teeming with tiny nematode worms – over 100 new species were collected from just four samples.

Survivors - New Zealand's tiny native frogs

9:06 PM.After 35 years of counting threatened Archey's frog on the Coromandel Peninsula, Ben Bell has seen their numbers crash due to the chytrid fungal disease, and the population slowly recover.

Points, lines and polygons - the art of making maps

9:46 PM.The 451 topographic maps that cover the length and breadth of New Zealand are a testament to the skills of a team of map makers at LINZ.

Marine maternity ward

9:34 PM.Staff at the Island Bay Marine Education Centre have played midwife to baby carpet sharks that hatched almost a year after a female shark deposited the egg cases in a tank.

Shy fish, bold fish - insights into the lives of native fish

9:20 PM.To understand the food webs of ponds and lakes you need to understand the personalities and lives of individual fish

Report brings climate change home

9:06 PM.A new report published by the Royal Society of New Zealand highlights six key climate change implications for New Zealand.

An ode to mangroves

9:45 PM.Mangroves have a mixed reputation, with some people thinking of them as weeds while others, including writer Kennedy Warne, value them for their ecosystem function and as a natural breakwater.

Yellow-eyed penguin numbers hit new low

9:40 PM.Yellow-eyed penguins have hit their lowest numbers on mainland New Zealand since the early 1990s, and it's the result of a number of issues in the marine environment

Long live the tapeworm - why parasites are a good idea

9:36 PM.In a novel extension of the 'hygeine hypothesis', biologists argue we should save the parasites of endangered species for the sake of their host's immune system.

Preventing dementia

9:20 PM.Dementia researchers are looking for people with mild cognitive impairment for a longitudinal study to explore how Alzheimer's Disease develops from early stages of memory loss.

Good for your joints - a smart device to improve how you walk

9:06 PM.Smart socks and an ankle bracelet that uses small vibration motors might help us to retrain how we walk and stave off joint surgery

Three decades on the tail of Hector’s dolphins

9:46 PM.After more than 30 years of studying the world's smallest dolphins Liz Slooten and Steve Dawson still enjoy getting out on the water to observe Hector's dolphins, writes Alison Ballance.

When a river meets the sea

9:35 PM.NIWA oceanographers are using Deep Cove in Doubtful Sound, where the tailrace from the Manapouri power station flows into the sea, as a natural laboratory to study complex fluid dynamics.

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