SpaceTerraforming Mars with strange silica blanket could let plants thrive Mars’s surface is not suitable for life because of its low temperatures and constant radiation bombardment, but just a few centimetres of aerogel could fix that News
EnvironmentPackaging-free shops may tackle plastic but risk increasing food waste Shops that let you bring your own containers aim to tackle the plastic packaging scourge, but they may not be the perfect solution Insight