Environment

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

Beginning around 4,000 years ago, an elaborate fish-catching system fed growing human populations in lowland Central America, a new study

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