EnvironmentWhy chemical pollution is turning into a third great planetary crisis Thousands of synthetic substances have leaked into ecosystems everywhere, and we are only just beginning to realise the devastating consequences Features
LifeMale dragonflies may become less colourful as the climate warms Male dragonflies may lose the colour from their wings with climate change to avoid absorbing sunlight and overheating – but females may remain colourful because they spend more time in the shade News