It's hoped perfusion machines that "warm livers" will increase the number of viable donated organs.
Children in London and Luton are taking part in a study to measure how their lungs are affected by air pollution.
A US company has produced an ultrasound scanner that plugs into an iPhone and costs $2,000 (£1,555).
The programme will give contact lens wearers the opportunity to recycle their lenses for free.
GPs would use the online calculator to tell women their risk of getting breast cancer, say scientists.