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Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.
12 Greek Gods and Goddesses
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
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”
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.
Why Is It Called Black Friday?
Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.
5 Remarkably Close U.S. Presidential Elections

RB

gene

Learn about this topic in these articles:

role in cancer

  • In tumour suppressor gene

    …mutations in a gene designated RB. Subsequent research revealed that mutations in this gene also play a role in cancers of the bone, lung, breast, cervix, prostate, and bladder. A number of other tumour suppressor genes (such as TP53, which encodes a protein known as p53) have been identified. The…

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  • Barr body
    In human genetic disease: Genetics of cancer

    The relevant gene, RB, encodes a protein that normally functions as a suppressor of cell cycle progression and is considered a classic tumour suppressor gene. Children who inherit one mutant copy of the RB gene are at nearly 100 percent risk to develop retinoblastoma, because the probability that…

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  • precancerous growth in a human colon
    In cancer: The RB and p53 genes

    Two of the most-studied tumour suppressor genes are RB and p53 (also known as TP53). The RB gene is associated with retinoblastoma, a cancer of the eye that affects 1 in every 20,000 infants. The gene also is associated with bone tumours…

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