Investment in life

The world's first stem cell bank is now open. Stephen Minger is proud to be a contributor.

Want to be slim? Cut your blood supply

Scientists have found a new way to make the obese slim again - by cutting off the blood supply to the layers of fat that are a health hazard for hundreds of millions of people.

The tissue issue

The human tissue bill has provoked anger but what specific science would be derailed? Kirsty Scott investigates