G-quadruplex

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Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

Will Light-Speed Space Travel Ever Be Possible?

Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

G-quadruplex

chemical compound

Learn about this topic in these articles:

DNA

In DNA
Four-stranded DNA complexes known as G-quadruplexes have been observed in guanine-rich areas of the human genome.
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