More and more everyday products are based on renewable resources, with household cleaners now containing active cleaning substances made from plant oils and sugar. These fat and dirt removers are especially environmentally ...
Materials Science
Mar 9, 2012
0
0
(PhysOrg.com) -- As any bench scientist will tell you, experimental design can be the very devil. Try as one might, it can be difficult to recognize, much less eliminate, the many extraneous factors that might bias an experiment. ...
Bio & Medicine
Apr 27, 2011
2
0
