On Dear Science this week, AUT professor Marcus Jones talks about an Internation Space Station air leak, people wanting to put an end to daylight saving, and why it's so hard to find a good substitute for salt. 

Producer Darashpreet Johal talks to Kate McIntyre from People Against Prisons Aotearoa about solitary confinement eat Whanganui prison. 

A recent survey containing data on the usefulness of courses is being blocked by university, which claim the results are not trustworthy.Tuwhenuaroa Natanahira talks to Brendan Keylly, Deputy Chief Executive of Information at the Tertiary Education Commission, who defends the survey. 

And for Wire Worry Week, Lisa Boudet looks at the differences between an animal right's and an animal welfare's approach to human interactions with animals, and talks to SAFE (Save Animals From Exploitation)'s corporate campaigner Jennifer Dutton.