This Way Up
The drought shamer07/31/15
Tony Corcoran is a "droughtshamer" on a crusade to name and shame Californian water wasters by posting videos of what they are doing on social media.
Tech: Windows 10 and FreeviewPlus
Our technology correspondent Peter Griffin has been having a play with Microsoft's new operating system, Windows 10.
Science of ageing
Bill Gifford studies the science of ageing in his book 'Spring Chicken: Stay Young Forever or Die Trying' (Grand Central).
This Way Up 1 August 2015: Part 2
Science of ageing, Microsoft Windows 10 review and Californian drought shaming.
(Very) micro wind power
Charlotte Slingsby, the designer of Moya, has come up with a novel way to generate power using small movements of air.
New Zealand's most widely consumed drug, paracetamol. With John Ashton of the Otago School of Medical Sciences.
Dr Chris Smith on how your gut microbes could be affecting your mood. Also the discovery of the earliest evidence yet of Earth's magnetic field, found in some 4.4 billion year old Australian rock.
Why do some people seem to speed up just as you're about to overtake them in a passing lane? With Carl Davidson from Research First, Colin Brodie of the NZ Transport Agency, and Samuel Charlton who studies driver behaviour at the University of Waikato.
This Way Up 1 August 2015: Part 1
Passing lanes, how the microbiome affects mood, paracetamol, and micro wind harvesting for power.
Wine crimes, including wine adulteration and the theft of highly priced vintages, are on the rise. Maureen Downey is a wine fraud expert consulted by the FBI, who also acts as an expert witness in court cases involving wine.
Rio Olympics countdown
Jonathan Watts in Brazil as the country is about to start the one year countdown to the 2016 Olympic Games in Rio de Janeiro.
Tech: Apple Watch, drone laws and tiny transistors
Technology correspondent Peter Griffin on the imminent launch of the Apple Watch in New Zealand, bad news for drone owners with tighter regulations, and the tiny transistor that could mean the end of Moore's Law.
Science: cataract treatment and diabetes risk
Dr Chris Smith with a new approach to treating cataracts with eyedrops not surgery, and the clearest link yet between sugary drinks and diabetes.
This Way Up 25 July 2015: Part 2
Cataract treatment, technology news (Apple Watch and drone laws), Rio Olympics countdown and wine crimes.
The Water Book
Alok Jha is a science journalist and the author of 'The Water Book: The extraordinary story of our most ordinary substance'.
China's ketamine problem
The BBC's Celia Hatton has been investigating China's growing ketamine problem and the global trade in the drug.
This Way Up 25 July 2015: Part 1
The global trade in the drug ketamine. Also science journalist Alok Jha, author of 'the Water Book'.
Cookbooks of the future
Food historian Ken Albala has been pondering the future of the cookbook in the digital age.
Hugh Robertson on the saddleback.
Greg Wyler is the founder and chief executive of OneWeb, a project to bring faster broadband to the remotest parts of the planet using satellites.
- Wellington, New Zealand