Environment

Roughly a third of Americans may be exposed to a long-sought, newly identified breakdown product of some chlorine-based water treatments. […]

Beginning about 4,000 years ago, an elaborate fishing system fueled the expansion of human populations in the Central American lowlands,

The city of Borbón in northern Ecuador is home to several government and religious offices and a regional hospital. However,

Kidney cells can also form memories. At least in a molecular sense. Neurons have historically been the cell most closely

Cervical cancer rates have decreased since a human papillomavirus, or HPV, vaccine was introduced in 2006.SN: 10/6/08). Now, a new

Two ancient hominid species with slightly different gaits interbred in East Africa. Traces preserved on what was once a muddy