The researchers turned to hydrogels, which are water-rich, jelly-like polymers that respond to temperature and chemicals. But ...
Mardi Gras in New Orleans can generate more than 1,000 tons of trash every year. A coalition of nonprofit groups, city officials and scientists has a plan to clean it up. By Jackie Delamatre A D.C.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results