Environment Climate change will intensify UK droughts so we must take action now TEMPORARY bans on using hosepipes to fill up paddling pools might seem like a parochial issue. But such modest efforts as most of England nears drought are a reminder that even countries perceived as perpetually rainy will need to get serious about saving water in a warming world. Drought is part of many countries' natural … News
Environment How weevils have become weapons in UK's fight against invasive plants A weevil designed to kill a problem aquatic weed is the latest biological agent selected to tackle the economic and biodiversity scourge of invasive species in the UK News
Environment Will Chile's new constitution make it the first truly green state? If Chileans adopt a new constitution next month, they would be making almost unprecedented commitment to the environment, says Graham Lawton Comment
Life Ants are under attack from outsiders in these intimate photos These images, taken from new book The Guests of Ants, reveal the behaviour of myrmecophiles, sophisticated organisms from beetles to flies that infiltrate ant colonies to take advantage of them Regulars
Health The power of quiet: The mental and physical health benefits of silence In an increasingly noisy world, neuroscientists are discovering exactly what kind of silence has the most dramatic impact on your mental health – from flotation tanks to guided meditation – and how much you really need Features
Humans On Sonorous Seas review: What a dead whale can tell us When a beaked whale carcass washed up near her home, part of a mass stranding around the region, Mhairi Killin was inspired to launch an artistic challenge to the military's impact in the area Culture
Puzzle #180: Can you help me remember my PIN number? #180 Neat as a PIN I sometimes have difficulty remembering my five-digit PIN. I am cautious, so I don't want to write it down, and I use five different digits so it isn't easily guessed. Fortunately, it has a special mathematical property that allows me to work it out if I ever need to. All … Regulars
Humans Egyptian mummy’s head discovered in Kent attic Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more Regulars