LifeKew lays on a feast of fruit and veg for eyes and mind Variety is the spice of life at a summer festival of edible plants at Kew Gardens, London: it combines interactive art with the serious matter of food security CultureLab
EarthIce-age nettles may survive in dark Chinese caves Walk into a cave in south-west China and you could be stepping back 30,000 years – they could be a time capsule preserving rare nettles from the last ice age News