RNZ: This Way Up

The human voice changes as we get older, getting weaker, more breathy, and less authoritative. So Dr Robert Sataloff has started offering 'voice lifts'.

Dr Chris Smith beams in with the latest science news from around the world; Martian meteorites, a vaccine for herpes, and the neuroscience research that shows why food shopping on an empty stomach is such a bad idea!

Technology news with Peter Griffin. Microsoft's Windows 8 goes live, hotmail becomes outlook.com and Microsoft's new tablet, the Surface, goes on sale around the world (but not in NZ yet!).

Instructables.com is an online community where folks get together to share tips on how to make things from scratch, and how to modify, hack and improve mass-produced consumer items. With Eric Wilhelm, the founder of instructables.com, and Bridget McKendry.

The lawyers who took on the big US tobacco companies have now set their sights on the food industry with a series of class action lawsuits. Susan Watts is the Science Editor for BBC's Newsnight.

Charles Arthur beams in with the latest from the technology world. This week should Twitter and Facebook have to do more to moderate the content on their social networks? Plus the future of the world wide web- it's called hyper text mark up language 5- or HTML 5 for short!

Professor Keith Johnson is a linguist at the University of California Berkeley. He analyses voice recordings to tell if people are drunk and worked as an expert witness on the Exxon Valdez case, where an oil tanker ran aground in Alaska 23 years ago.

How much cash do you really need for your retirement? With Chris Douglas of Morningstar Australasia and Pushpa Wood of Massey University.

Hugh Robertson stalks the kingfisher.

Australian David Engwicht is on a crusade to make our cities and our public spaces safer and more social.

Madeline Brozen of the Complete Streets Initiative wants to turn car parking spaces into mini green public areas called parklets.

Sam Muirhead is an expat Kiwi based in Berlin, living a year of open source. It's getting challenging as Sam hunts for an open source video camera and soap to keep his clothes clean and smelling fresh!

'Tis the season to be sniffly, sneezy and red-eyed! Dr Lynn McBain explores what hayfever is, and what you can do about it.

What makes people sing along to certain songs? Music buff Alisun Pawley studies sing-along-ability.

Peter Griffin's here with bits and bytes from the hi tech world. Two Trade Me competitors score an epic fail this week, plus Facebook's rolls out its 'promote your post' service.