HealthPulses of light spark muscle movement A technology that allows nerves to be switched on and off with light could one day help paralysed people to walk again ¿ìè¶ÌÊÓÆµ
LifeAncient bacteria could improve anti-ageing cosmetics Cyanobacteria survived strong UV exposure for a billion years – the secret to their success could be key to new sunscreens and "anti-ageing" products ¿ìè¶ÌÊÓÆµ