Unlimited mobile broadband plans come to NZ, but there are a few fish hooks you need to be aware of; and some big telcos are selling our mobile data for use by tourist attractions and retailers.

We go on a walk with Christine O'Sullivan - who has multiple sclerosis - to check out the Alinker, a kind of standing bicycle that you propel using your feet.

Taking penicillin when pregnant could alter the brain chemistry of your offspring; and scientists have detected an atmosphere around an Earth-sized planet about 40 light years away.

A different kind of bike gang, bike sharing schemes, self driving trucks and is the earth's magnetic field reversing?

The Folding Goldies are a bike gang with a difference: all you need is a Gold Card for a free train ride, a bike (ideally a folding one) and some free time. Every few weeks they hit the rails and the trails around Wellington and we join them for a ride.

Since the success of the Velib in Paris 10 years ago, bike sharing schemes are now up and running in about one thousand places worldwide. We've got a round up of the ones that flopped and the ones that rocked with Patrick Collinson of The Guardian.

Self-driving trucks are now being tested in several US states. The autonomous transport method's just been identified as one of the top ten breakthrough technologies by MIT's Technology Review and David Freedman has been reviewing how far away driverless trucks are from becoming widely adopted.

Changes in the the earth's magnetic field have scientists wondering what's going on. We know that in the past, south was north and north was south. Now there are reports that patches of the earth's magnetic field deep under the earth's crust are weakening and even reversing, and that's intriguing geophysicists like Professor John Tarduno.

Selling power to the people, a Netflix for live music, tracking dementia patients, the best way to shuffle cards, and could spider venom help stroke recovery?

From Cape Reinga to Bluff, electricity does the same thing whenever and wherever it comes out the plug. So how do you decide who to buy it from? George Block from consumer.org.nz's been looking at New Zealand's increasingly crowded electricity market and whether greater competition is translating into better deals for consumers.