SpaceHow a space elevator could make trips to the moon affordable for all Our Future Chronicles column explores an imagined history of inventions and developments yet to come. We journey to 2055, when a space elevator from the moon’s surface to near-Earth orbit was completed, opening space travel to all Comment
EnvironmentWe must use genetic technologies now to avert the coming food crisis Food production is responsible for more than a third of greenhouse gas emissions. To get everyone the food they need in a warming world, governments worldwide must invest in securing our food systems Leader