Some scientists fear a proposed code governing what they can speak out about is an attempt to gag them.
Photo: SCIENCE PHOTO
To embed this content on your own webpage, cut and paste the following:
<iframe src="https://www.radionz.co.nz/audio/remote-player?id=20151859" width="100%" frameborder="0" height="62px"></iframe>
for easy access to all your favourite programmes