Anu Anand in India

Our correspondent Anu Anand reports from Delhi - on the traffic police taking to Facebook to catch bad drivers, and the group helping Indian couples marry for love.

The science of crunch

John Allen is a neuroscientist and author of "The Omnivorous Mind: Our Evolving Relationship With Food". He tells us why we might be hard-wired to crave crunchy foods - and it's not just about taste.

Darwin tunes

Professor Armand Leroi of Imperial College London is using Darwin's theories to create music. He's breeding tunes, allowing only the fittest to survive.

Imagine Cup

This week at the Imagine Cup technology competition in Sydney we'll hear about Flash Food, a real time donation and delivery platform for excess or leftover food.

Tech correspondent

Peter Griffin discusses Bit Torrent branching out, and the best ways to catch the latest from the Olympics online (plus what to avoid).

Meet your microbes

Jonathan Eisen is a professor at the University of California Davis, and he loves microbes. Microbial organisms have been around longer than us humans - we'll find out if there's a chance they've taken charge.

Open source living

Sam Muirhead is going a year without using any product that has any intellectual propery associated with it. Eating, wearing clothes and using technology will be among his many challenges.