The Granny Cloud

Hundreds of English grannies (and grandads!) are helping Indian children learn via Skype. The idea's the brainchild of Professor Sugata Mitra.

Counting kiwis

We head into the bush to count brown kiwis, using remote digital recorders to measure how well a new kiwi population is doing in the Rimutaka Forest Park. With Ed Abraham from Dragonfly Science, Susan Ellis from the Rimutaka Forest Park Trust, and Stu Cockburn of DOC.

Tech news: Pinterest and Twitter

Bits and bytes from the hi tech world with Charles Arthur, the technology editor of The Guardian. This week, forget about Facebook floating why is Pinterest so hot? Plus which country has the most Twitter users?

World's tallest buildings

How do you measure the tallest buildings in the world and does a mast, spire or radio antenna count? Kevin Brass of The Council on Tall Buildings and Urban Habitat knows the answers.

Lunch beat

The lunchtime disco movement that's taking Europe by storm. Leave your desk job behind for 60 minutes of clubbing and come back energised, happy, and sweaty too! Molly Range is the founder of Lunch Beat in Sweden.

Solar landfills

Using landfills to generate solar power. Mark Roberts of HDR Engineering is working on two of these solar landfill projects in Texas and Georgia.

The New Zealand way of death

Sally Raudon has been researching the modern funeral ceremony here and in Europe and shares her findings.