urea

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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?

Hijacked United Airlines Flight 175 from Boston crashes into the south tower of the World Trade Center and explodes at 9:03 a.m. on September 11, 2001 in New York City. The crash of two airliners hijacked by terrorists loyal to al Qaeda leader Osama bin..

All 81 References in Fall Out Boy’s “We Didn’t Start the Fire,” Explained

World Data Locator Map: Australia

Is Australia an Island?

A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

Inventors and Inventions of the Industrial Revolution

The Lost Colony of Roanoke, North Carolina, where 115 people mysteriously disappeared c. 1590. John White discovers the word Croatoan carved onto a tree upon his return to the deserted Roanoke Colony in 1590

The Lost Colony of Roanoke

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

Shoebill. A Shoebill Stork (Balaeniceps rex), aka 'Whalehead' standing in shallow marsh. Resides in tropical East Africa. A very large bird related to the storks. It derives its name from its massive shoe-shaped bill.

Funky Feathers: 10 Bizarre Birds

urea: Facts & Related Content

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Facts

Also Known As	carbamide

Topics

barbituric acid urine arginine amide carbonic acid amine alkaloid acrylamide guanidine sulfonamide capsaicin polyamide choline biotin nitrile

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Friedrich Wöhler: Aluminum and urea papers

Key People

Wöhler, detail of a lithograph by R. Hoffmann, 1856

Friedrich Wöhler

German chemist

William Prout

British chemist