Inside view

ever since the invention of x -rays about 100 years ago, medical imaging technology has undergone several changes. cat -scans, pet scanning and mri scanning have helped physicians learn a great deal about the human body without surgical intervention. But there remain some parts of the body, such as lungs, which are still not clearly visible in these images.

A lifesaver

it is not easy by any chance to survive burial in an avalanche. About one-third of the people caught in an avalanche are killed by injuries from rocks, trees, debris or the force of snow itself. For the remaining two-thirds who manage to remain alive by the time the snow settles, the only chance of survival is a quick rescue. There is a 90 per cent chance of survival after 15 minutes.