Last year, the area under opium cultivation in Afghanistan decreased for the first time since 2001, when the now-defunct Taliban regime collapsed."MB003878", "2393648"
In a study published this week in the journal Science, researchers compared the energy efficiency of liquid ethanol made from corn and bioelectricity made from switchgrass, a wild, woody perennial, drought-resistant grass that can be grown in marginal or abandoned farmland."VOA-T051", "2358586"