Our Changing World

There are about 2000 spider species in New Zealand, but the spiders that are found around houses are likely to be an introduced species Read more Audio

British science communicator James Piercy will share his story of recovery from brain trauma at the NZ International Science Festival. Read more Audio

The Smart Seeds programme at Lincoln University has been screening brassica seeds for potential microbial biocontrol agents against black rot and diamondback moths Read more Audio

The Department of Conservation's David Moss explains how people can help to create better breeding habitat for inanga. Read more Audio

Hauraki Gulf is a playground, wildlife hotspot, foodbasket and highway - and local councils hope the Sea Change project will help turn around the Gulf's poor health and struggling ecology Read more Audio

Oceanographers aboard NIWA's research vessel Tangaroa are testing a deep-diving Argo float to monitor changes in the oceans at depths to 6000 metres. Read more Audio

In this Spectrum programme, recorded in 1996, Alistair McAlpine joins Joan Wiffen on a fossil hunting trip in her favourite Hawke's Bay stream. Audio

A team of University of Otago researchers has developed an iPad app to help people practise sight-singing music at home. Read more Audio

An international group of experts have suggested a new way of ranking invasive aliens by environmental impact to produce 'Black Lists' Read more Audio

Three estuarine monitoring buoys have been installed in the Kaipara Harbour to identify sources of fine sediment pollution Read more Audio

A tribute to Joan Wiffen, a self-taught palaeontologist who discovered New Zealand's first dinosaur bone in a Hawke's Bay streambed in the 1970s. Read more Audio

NIWA has been measuring how wind speeds up across rough ground in the Belmont Hills with the aim of improving the building code Read more Audio