Issues from science today. Data Invaders
Hackers have developed an alarming new way to bypass computer security. A 'data virus' programme can spread quickly through electronic systems, often damaging irreplaceable records.
Antenna follows the trail of the infection, from Nassau in the USA to a hackers' convention in West Germany; and asks whether vital information is open to attack. Physician Heal Thyself
Are the right patients getting the right treatment by the right doctors?
Dame Alison Munro , former Health Authority Chairman, investigates the staggering differences in medical practice throughout Britain. In one city in England alone patients are four times as likely to have a hysterectomy or three times as likely to have their gallbladder removed depending on which GP they consult. Why is this so? Producers KEVIN HULL. CAROLINE VAN DEN BRUL Executive producer DAVID PATERSON
Series producer JANA BENNETT