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In 1980, the American standard of living was the highest among the industrial countries, according to the OECD. Out of the 85 million households in the United States, 64% owned their own living quarters, 55% had at least two TV sets, and 51% had more than one vehicle.
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
The Golden Door: International Migration, Mexico, and the United States (1981) The Cold and the Dark: The World after Nuclear War (1984, with Carl Sagan, Donald Kennedy, and Walter Orr Roberts) The Machinery of Nature: The Living World Around Us and How it Works (1986) Earth (1987, co-authored with Anne Ehrlich)
The history of the United States from 1980 until 1991 includes the last year of the Jimmy Carter presidency, eight years of the Ronald Reagan administration, and the first three years of the George H. W. Bush presidency, up to the collapse of the Soviet Union.
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...
Part of a series on Biology Science of life Index Outline Glossary History (timeline) Key components Cell theory Ecosystem Evolution Phylogeny Properties of life Adaptation Energy processing Growth Order Regulation Reproduction Response to environment Domains and Kingdoms of life Archaea Bacteria Eukarya (Animals, Fungi, Plants, Protists) Branches Abiogenesis Aerobiology Agronomy Agrostology ...
From 1972 to 1978, industrial productivity increased by only 1% a year (compared with an average growth rate of 3.2% from 1948 to 1955), while the standard of living in the United States fell to fifth in the world, with Denmark, West Germany, Sweden, and Switzerland surging ahead. [51]
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.