The medical marijuana market is taking off across the US. But should your pet take pot?

An Italian scuba diver is planting crops in biospheres 10 metres beneath the waters of Liguria

Wall Street Journal health reporter and anxiety sufferer Andrea Petersen weaves her personal story with the latest research in On Edge: A Journey Through Anxiety.

Hacking the human nervous system with electroceuticals, why sex and gender matters in medical diagnosis, and how to get a longer stronger signal. Plus we review stick vacuums - which ones suck?

Stick vacuums are lightweight, super handy and can suck your wallet dry. So do they work and which models get the Consumer tick of approval? George Block has been testing a range of cordless stick vacuums.

A US company has developed a pacemaker-like device to treat rheumatoid arthritis, as well as Crohn's disease, by hacking the nervous system with an electrical charge.

Peter Griffin has tips on boosting your wifi signal throughout the home – no more dead spots and laggy connections in the loo!

Heart disease is the biggest killer of women in NZ. Could part of the problem be that a woman's symptoms can be very different to a man's, and lots of heart attacks are missed and wrongly diagnosed?

Dr Chris Smith has the latest on pesticides in honey and growing kidney diseases in a dish to develop new treatments.

How rising carbon dioxide levels are changing our crops. Plus sensing water quality, learning to live with bad bugs, and how the 2011 Japanese tsunami spread 300+ species!