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New World Encyclopedia integrates facts with values. Written by certified experts.


Featured Article: Republic of Ireland

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The Republic of Ireland, often referred to as simply Ireland, is a country in north-western Europe occupying five-sixths of the island of Ireland. The remainder of the island is occupied by Northern Ireland, a constituent state of the United Kingdom. Besides Northern Ireland to its north, it is also bordered by the Atlantic Ocean to the west and by the Irish Sea to the east.

Popular Article: Precambrian

Precambrian events and atmospheric change
The Precambrian (or Pre-Cambrian) is an interval of geologic time of roughly 4 billion years, beginning with the formation of Earth around 4500 million years ago (mya) and continuing until the abrupt appearance in the fossil record some 542 mya of abundant macroscopic hard-shelled animals. That event marks the beginning of the Cambrian period. The precambrian is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the Phanerozoic Eon, which is named after Cambria, the Latinized name for Wales, where rocks from this age were first studied. The Precambrian accounts for 88 percent of the Earth's geologic time.

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Eli Whitney is famous for patenting the invention of the cotton gin but he made no money from it (source: Eli Whitney)