Arrays of clustered, regularly interspaced short palindromic repeats (CRISPRs) are widespread in the genomes of many bacteria and almost all archaea. These arrays are composed of direct repeats that ...

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At age 22 in 1889, Wright was a budding architect and newly married to his first wife, Catherine Lee Tobin Wright. He was working for the architecture firm Adler & Sullivan and still years away from ...

Lonnie G. Bunch III is the 14th Secretary of the Smithsonian. He assumed his position June 16, 2019. As Secretary, he oversees 21 museums, 21 libraries, the National Zoo, numerous research centers, ...

After generations of struggle for suffrage, the 19th Amendment to the U.S. Constitution was passed in 1919 and ratified in August 1920. To mark the centennial anniversary of women’s suffrage in 2020, ...