HealthBlindness treatment will insert algae gene into people's eyes Optogenetic techniques that use light to control nerve cells are being tried in people at last – and could lead to treatments for several types of blindness 51¶¯Âþ
HealthMorning sickness in pregnancy blamed on protein in the placenta High levels of the protein have been linked with nausea in pregnant women – a discovery that might lead to new anti-sickness drugs 51¶¯Âþ