Descubriendo pistas sobre la contaminación local con magnetismo
Un análisis químico de una área puede determinar cuánta contaminación hay en el aire. Pero hay un método mucho menos costoso que podría ayudar a las comunidades más pobres.
Magnetism Can Reveal Levels of Local Air Pollution
A chemical analysis of an area can find out how much pollution is in the air. But there's a much less expensive method that could help poorer communities.
This Week in Sustainability: From Ice Age to Internet Age, Scientists Look for Clues to Species’ Extinctions
Scientists explore the causes--climate change, habitat destruction, and more--that decimated animals and humans alike, from Ice Age to Internet Age.