An article from Science News Jan 2021
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An article from Science News Jan 2021
Astronomers spotted a rare galaxy shutting down star formation
An article from Science News Jan 2021
2020 and 2016 tie for the hottest years on record
An article from Science News Jan 2021
Reawakened Yellowstone geyser isn’t a sign of imminent explosion
An article from Science News Jan 2021
Some identical twins don’t have identical DNA
Biography
Abetti, Giorgio (1882–1982)
Article
Abscisic acid
A major plant hormone that plays an important role in plant growth and development. Abscisic acid (ABA), with a chemical formula of C15H20O4 (Fig. 1), is one of the most significant hormones found in plants. It is responsible for regulating various…
Biography
Adams, John Couch (1819–1892)
Biography
Adams, Walter Sydney (1876–1956)
Article
Addiction and addictive disorders
Habituation to a specific practice, such as drinking alcoholic beverages or using drugs (for example, heroin, cocaine, or amphetamines), and disorders characterized by the chronic use of a drug, alcohol, or similar substance. Addiction and addictive…