Oranges wither, cows go hungry in drought-hit Sicily

Marilina Barreca has two grim options: feed her cows tainted fodder or set them to graze on barren hillsides as Sicily battles a crop-devastating drought which is sucking reservoirs dry.

Cleaning water with 'smart rust' and magnets

Pouring flecks of rust into water usually makes it dirtier. But researchers have developed special iron oxide nanoparticles they call "smart rust" that actually makes it cleaner. Smart rust can attract many substances, including ...

page 1 from 7