The human population explosion, usually said to stem from industrialization and public health in the 18th and 19th centuries, is actually the result of changes as far back as 2,000 years ago, according to new research.
The human population explosion, usually said to stem from industrialization and public health in the 18th and 19th centuries, is actually the result of changes as far back as 2,000 years ago, according to new research.