Patricia A. Jacobs

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Mayer Amschel Rothschild (1744-1855), founder of the house of Rothschild; lithograph by Friedrich Lieder, c. 1830.

Where Do Anti-Semitic Conspiracy Theories About the Rothschild Family Come From?

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?

Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya

The Fastest Animals on Earth

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

Common, or southern, cassowary (Casuarius casuarius).

8 Birds That Can’t Fly

Mother tickling her daughter, sitting in a garden

Why Can’t You Tickle Yourself?

Mount Everest (Mt. Everest, mountains, Himalayas).

Is Mount Everest Really the Tallest Mountain in the World?

Patricia A. Jacobs

Scottish geneticist

Learn about this topic in these articles:

Klinefelter syndrome

In Klinefelter syndrome
…in 1959 by British researcher Patricia A. Jacobs and her colleagues.
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