Les fermes du Québec génèrent chaque année 75 millions de tonnes de plumes de poulets! Une partie est réduite en farine et ajoutée à la nourriture animale, mais le reste finit souvent dans les...
Water scarcity is not a problem just for the developing world. In California, legislators are currently proposing a $7.5 billion emergency water plan to their voters; and U.S. federal officials...
A team of chemists in Canada has developed a way to process metals without using toxic solvents and reagents. The system, which also consumes far less energy than conventional techniques, could...