Pictured: The frightening FIRE tornado that whirled around Australian outback for 40 MINUTES

Caught on camera: The 30 metre high tornado of FIRE that whirled around Australian outback for terrifying 40 minutes Fire tornadoes occur when a column of warm, rising air contacts with – or creates – fire on the ground . An astonished filmmaker is coming to grips with the moment he witnessed one of nature”s rarest phenomenons – a tornado comprised entirely of fire- and lived to tell the tale.

British children who spend more time outside "are less likely to become short-sighted"

Children who spend more time outside 'are half as likely to become short-sighted' Spending time outside in natural light reduced the risk of myopia in children whether they were active or not | UPDATED: 15:01 GMT, 2 August 2012 Outdoorsy: Spending time in natural light has been linked with improving sight Children who spend more time outside are less likely to become short-sighted, a study claims.

Gene that spreads breast cancer discovered paving the way for new treatments

Gene that spreads breast cancer discovered paving the way for new treatments Chemotherapy often stops working because it doesn't kill cancer stem cells that fuel spread of tumours | UPDATED: 16:04 GMT, 25 July 2012 Scientists have discovered a gene that encourages the spread of breast cancer.

Can fasting for two days each week stop dementia? It sounds far-fetched, but scientists think slashing calories may combat a host of illnesses

Can fasting for two days each week stop dementia It sounds far-fetched, but scientists think slashing calories may combat a host of illnesses Fasting was a common medical treatment in the past, but now there may be good reason for it to make a comeback One day in the not-so-distant future, you may find yourself receiving some unusual health advice from your GP: fast two days a week to prevent your brain shrinking with age.