Holey planet William Carpenter of Vail, Colorado, is worried that the Earth's axis is shifting, and wants to do something about it (WO 01/79613). The shift, he says, is the result of mining fossil fuels over the past century: this has led to significant local mass losses, while the fuels' combustion products are spread uniformly throughout the … News
Westminster diary CAUSEWAYS and bridges are important links between island communities and the mainland. But while bridges supported on pillars tend to be friendly to marine life, causeways built of solid rock can be a problem. Seabed habitats depend on coastal currents providing nutrients and preventing the build-up of silt deposits. Solid rock causeways block off these … Opinion
The tough get glowing Cleveland, Ohio LAKE HARSHA in southern Ohio is not a place you would ever describe as achingly beautiful, but it's good enough to supply clean water to most of Clermont County. Just 8 kilometres away, though, is a large hazardous waste dump containing hundreds of kilograms of polychlorinated biphenyls—it was closed by the Environmental Protection … Features
Half asleep Half asleep Question : Is it true that some animals sleep with only half their brain at a time? If so, which animals do this and why? Answer : Yes, it's true. So-called unihemispheric sleep happens in animals when one side of the brain shows waking activity while the other side is asleep (an electroencephalographic … Regulars