Into the forest – A few years ago, a Brazilian agronomist, sitting at his desk in the Ministry of Agriculture in Bras铆lia, spoke to one of our correspondents thus: Features
Life on the edge – How much rainforest do you need to capture diversity? When ecologists created “islands” to find out, they had no idea how complex the answers would be, says Bob Holmes Features
Kinder Cuts – Logging is a brutal business, ripping the forest apart and leaving its lush interior to dry out into a tinderbox. But there are sustainable ways to harvest the timber, says Gabrielle Walker Features
Shot in the dark – The US Army is developing a rifle that does a whole lot more than shoot bullets, reports Bennett Daviss. It’s a portable spy machine Features
Cosmic beakers – When physicists want to find out why galaxies cluster together in filaments, says Philip Ball, they don’t scrutinise the night sky. They peer into beakers of bizarre liquids Features
Dirty groundwater runs deep – Spreading pollution is increasingly fouling Britain’s underground water reserves News
Editorial : Castration or incarceration? – THERE are some policies that politicians like to be seen toying with even though nobody in their right mind would dream of making them law. For years the idea of routinely castrating sex offenders fell squarely i Opinion
The truth is out there . . . – WHAT goes up must come down, if the textbook laws of gravity are to be believed. Are scientific reputations subject to the same rules? The two physicists who may鈥攐r may not, depending on which one of them you talk to&m Opinion
Into the forest – A few years ago, a Brazilian agronomist, sitting at his desk in the Ministry of Agriculture in Bras铆lia, spoke to one of our correspondents thus: Features
Life on the edge – How much rainforest do you need to capture diversity? When ecologists created “islands” to find out, they had no idea how complex the answers would be, says Bob Holmes Features
Kinder Cuts – Logging is a brutal business, ripping the forest apart and leaving its lush interior to dry out into a tinderbox. But there are sustainable ways to harvest the timber, says Gabrielle Walker Features
Shot in the dark – The US Army is developing a rifle that does a whole lot more than shoot bullets, reports Bennett Daviss. It’s a portable spy machine Features
Cosmic beakers – When physicists want to find out why galaxies cluster together in filaments, says Philip Ball, they don’t scrutinise the night sky. They peer into beakers of bizarre liquids Features
Thistle diary : Fighting fat, fires and the hazards of flying – More comment from Westminster by Tam Dalyell