It’s green, prickly and sour, but this plant could cure obesity and save an ancient way of life
Bushmen of the Kalahari stand to benefit from development of hoodia, which curbs appetite.
Oxford makes male pill breakthrough
A male contraceptive pill is a step closer to becoming a reality, believe researchers at Oxford University who have successfully tested a substance called NB-DNJ on mice.
Setback in superbug battle
Patient shows resistance to new class of antibiotic.
My life as a cyborg
Three months after having an electronic device implanted into his brain to control the symptoms of his Parkinson's disease, David Beresford reports on his progress.
Rupert Billingham
Pioneering scientist who made key discoveries that led to successful human organ transplants.