Pulling iron out of waste printer toner

Someday, left-over toner in discarded printer cartridges could have a second life as bridge or building components instead of as trash, wasting away in landfills and potentially harming the environment. One group reports ...

Study reveals scale of water crisis in areas of Pakistan

Currently, one in nine people across the world lack access to safe water, and an estimated 842 000 people die every year from a water-related disease. It's not just about health and hygiene – all aspects of social and economic ...

Tapping the shale

Growth in scientific knowledge seems to lead to an exacerbation in debate over politically sensitive issues rather than resolution? Nuclear power, global warming, vaccination, creationism, fracking… the list goes on.

Toxic chemicals at Australian CSG sites

A major Australian coal seam gas miner on Sunday said it had discovered traces of carcinogenic chemicals at a number of its monitoring sites, fuelling debate about the contentious industry.