National and international science academies and scientific societies have assessed current scientific opinion on global warming.These assessments are generally consistent with the conclusions of the Intergovernmental Panel on Climate Change.. Some scientific bodies have recommended specific policies to governments, and science can play a role in informing an …

Opium has been actively collected since approximately 3400 BC. The upper Asian belt of Afghanistan, Pakistan, northern India, and Myanmar still account for the world's largest supply of opium. At least 17 finds of Papaver somniferum from Neolithic settlements have been reported throughout Switzerland, Germany, and Spain, including the placement of large numbers of …

American(s) may refer to: . American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" Americans, citizens and nationals of the United States of America; American ancestry, people who self-identify their ancestry as "American"; American English, the set of varieties of the English language native to the United …

Philosophical Transactions of the Royal Society is a scientific journal published by the Royal Society.In its earliest days, it was a private venture of the Royal Society's secretary. It was established in 1665, making it the first journal in the world exclusively devoted to science, and therefore also the world's longest-running scientific journal. It became an official society …

The American kestrel (Falco sparverius), also called the sparrow hawk, is the smallest and most common falcon in North America. It has a roughly two-to-one range in size over subspecies and sex, varying in size from about the weight of a blue jay to a mourning dove.It also ranges to South America and is a well-established species that has evolved into 17 subspecies adapted to …

See also: Biology (below) Health – Health is a state of complete physical, mental and social well-being. This is a level of functional and (or) metabolic efficiency of a person in mind, body, and spirit; being free from illness, injury or pain (as in “good health” or “healthy”).The World Health Organization (WHO) defined health in its broader sense in 1946 as "a state of complete ...

African-American cultural history. From the earliest days of American slavery in the 17th century, slave owners sought to exercise control over their slaves by attempting to strip them of their African culture.The physical isolation and societal marginalization of African slaves and, later, of their free progeny, however, facilitated the retention of significant elements of traditional …

Antioxidants are compounds that inhibit oxidation, a chemical reaction that can produce free radicals and chain reactions that may damage the cells of organisms. Antioxidants such as thiols or ascorbic acid (vitamin C) may act to inhibit these reactions. To balance oxidative stress, plants and animals maintain complex systems of overlapping antioxidants, such as glutathione.

John Forbes Nash Jr. (June 13, 1928 – May 23, 2015) was an American mathematician who made fundamental contributions to game theory, differential geometry, and the study of partial differential equations. Nash's work has provided insight into the factors that govern chance and decision-making inside complex systems found in everyday life.. His theories are widely used …

Jul 07, 2022 · The Journal of the American Chemical Society (also known as JACS) is a weekly peer-reviewed scientific journal that was established in 1879 by the American Chemical Society. The journal has absorbed two other publications in its history, the Journal of Analytical and Applied Chemistry (July 1893) and the American Chemical Journal (January 1914).