Our Changing World

The eighteenth mystery sound from the Our Changing World opening theme Audio

A new milk product is being trialled to see if it helps insomniacs sleep better Audio

AgResearch scientists explain how wool products are traced and how wool proteins are used in wound dressings Audio

A new edition brings together JG Keulemans' bird paintings which appeared in the original Buller's Birds Audio

University of Otago palaeontologists Ewan Fordyce and Felix Marx explain how whales evolved into the largest animals on earth Read more Audio

The seventeenth mystery sound from the Our Changing World opening theme Audio

Eryn Newman and Maryanne Garry are looking at whether decorative photos lead to a truthiness bias Audio

Agresearch scientists are looking at ways to increase the resistance of woollen textiles to insects, staining and fading Audio

Staph bacteria cause mild skin infections as well as fatal systemic infections, & are an overlooked infectious disease problem Audio

Lake Ellesmere in Canterbury is the most diverse site for birds in New Zealand, especially migratory waders such as godwits Audio

The sixteenth mystery sound from the Our Changing World opening theme Audio

Roger Smith from Geographx talks about the art and science of computerised map-making - extended web version Audio