This Way Up Podcast Options

12:55 PM.Did fingerprints develop as unique identifiers or just to help us grip? Roland Ennos of Manchester University studies them. Audio

12:45 PM.Ned Boulting's looking at some of the more unusual sponsors bankrolling the 96th Tour. Audio

12:15 PM.Rustling up a three course meal with a pedal-powered blender. Plus Tamara Dean, the author of the Human Powered Home. Audio

1:45 PM.Ned Boulting on the route of the 96th Tour de France. This week, what do the riders do on their rest days, what do they eat, and how does radio communication get used in the race? Audio

1:30 PM.We're on the hunt for free food - this time wood sorrel - with our friendly forager Johanna Knox. You'll have walked past it hundreds of times, but this leaf is seriously delicious! Audio

1:15 PM.The existence of uncontacted tribespeople is one of the major barriers to oil and gas exploration in the Amazon. Rory Carroll's been finding out if they exist or if they're just a myth perpetuated by… Read more Audio

12:45 PM.Jakob Nielsen on the pointlessness of password masking. When you input your computer password why do we see round circles or asterisks instead of the letters or numbers you're typing? Audio

12:15 PM.Australian pie historian Janet Clarkson on how the pie's gone from being an early oven dish, to a means of food preservation, to a favourite fast food. Plus how a Cambodian baker perfected his pie… Read more Audio

1:45 PM.Bill Thompson beams in and Google's launching its very own operating system at around the same time as Microsoft's Windows 7 and Apple's Snow Leopard come out later this year. Audio

1:35 PM.Bill Westwater of Xeros is developing a prototype washing machine that only uses a tiny fraction of the water and power needed for a traditional model. Audio

1:25 PM.Would you fly half way round the world, queue up for 24 hours, pay full price for the latest gadget then unwrap it and smash it open while filming yourself? Luke Soules of iFixit does! Audio

1:15 PM.Ned Boulting joins us to explain how the Tour de France's route gets chosen. And money makes the Tour go round! Audio

12:45 PM.Antwerp, in Belgium, is the world capital of the diamond trade, turning over US$42 billion a year. Ian Traynor on how tougher economic times are hitting diamond sales and the city. Audio

12:15 PM.Hamish Wilson of Consumer.org.nz's been researching how long stuff like TVs, washing machines and cell phones should last for. Plus Bill Bevan on the laws that protect you even after your warranty… Read more Audio

1:45 PM.We're making peanut sauce Malaysian style with Rao Ramasamy. Audio

1:30 PM.ICANN is the international not-for-profit organisation that looks after the way web addresses work. We talk to its outgoing CEO and President Paul Twomey about the challenges ahead. Audio

1:15 PM.More Brazil nuts get exported from Bolivia than from Brazil. Alison Sandle on the nut that's sparked a bit of diplomatic tension over the years. Audio

12:45 PM.Hot dog historian Bruce Kraig charts the street food's migration from Europe to the US. Nowadays Americans chomp through about 20 billion hot dogs a year! Audio

12:30 PM.The 4th of July is one of the most important dates in the calendar if you're a patriotic American, or a competitive eater. Writer Jason Fagone tells us why. Audio

12:15 PM.Ned Boulting joins us from the start line in Monaco to talk drug testing and the Lance Armstrong effect. Audio

1:50 PM.A consortium of 20 German companies is pushing an $870 billion plan to use solar power from the Sahara Desert in North Africa to power Europe. Audio

1:30 PM.Dr Karyne Rogers has developed a scientific test to tell the difference between free range, organic and caged eggs. How the test works and what it means for shoppers. Audio

1:15 PM.The new breed of Japanese man called"grass eaters". Plus South Korea's trying to build the perfect modern city in Songdo. David McNeill's been there. Audio

12:45 PM.Bill Thompson on the next generation of power meters that can talk to the power companies as well as telling consumers how they're using energy. But just how smart will they be? Audio

12:15 PM.We gauge water and meat contents with Belinda Allan of consumer.org.nz. Plus we make bacon the old fashioned way with Bill the butcher. Audio