With birds dropping willy-nilly out of the sky, blackbirds in Arkansas, jackdaws in Sweden, turtledoves in Italy, people are wondering if something has gone seriously and dangerously wrong. What are these birds telling us?
Water systems across the country are changing the way they disinfect drinking water because the traditional disinfectant, chlorine, can leave behind toxic chemicals.But alternatives to chlorine are turning out to have risks of their own, says a scientist who wrote an analysis in the journal Scie
A new study concludes that the vast quantity of methane gas that spewed from the BP oil well in the Gulf of Mexico was gobbled up rapidly by bacteria.About a third of the material that gushed into the ocean from the BP blowout was in gas form, not oil, and the new study is the latest attempt to figu
Earth's population stands at nearly 7 billion, and demographers project we may reach 9 billion by the middle of this century.In the past 50 years, population has grown at a rate never before seen in human history.