An article from Science News Feb 2021
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An article from Science News Feb 2021
Some Neandertal genes in people today may protect against severe COVID-19
An article from Science News Feb 2021
Pfizer’s vaccine appears to reduce coronavirus transmission
An article from Science News Feb 2021
Diabetes during pregnancy is tied to heart trouble later in life
An article from Science News Jan 2021
Zinc-air batteries are typically single-use. A new design could change that
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…
Biography
Alexander, Hattie Elizabeth (1901–1968)
Article
Aluminum alloys
Substances formed by the addition of one or more elements, usually metals, to aluminum. The principal alloying elements in aluminum-base alloys are magnesium (Mg), silicon (Si), copper (Cu), zinc (Zn), and manganese (Mn) [Fig. 1]. In wrought…
Article
Alzheimer's disease
A disease of the nervous system characterized by a progressive dementia that leads to profound impairment in cognition and behavior. Dementia occurs in a number of brain diseases where the impairment in cognitive abilities represents a decline from…
Biography