An island or isle is any piece of land that is completely surrounded by water. Very small islands are called islets. It is also proper to call an emergent land feature on an atoll an islet, since an atoll is a type of island, although this convention is seldom adhered to. A key or cay is another name for a relatively small island or islet. The word island derives ultimately from the Old English word igland. It was originally spelled phonetically: iland. The letter "s" was added out of a mistaken belief that the word derived from isle (< Old French < Latin insula) + land, although no such etymological relationship existed.

There are three main types of islands: continental islands, river islands, and volcanic islands. There are also human-made or artificial islands. A grouping of related islands is called an archipelago.

Continental islands

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Continental islands are bodies of land that lie upon the continental shelf of a continent. Examples include Greenland and Sable Island off North America, Barbados and Trinidad off South America, Sicily off Europe, Sumatra and Java off Asia, New Guinea and Tasmania off Australia.

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NPR Topics: Politics & Society

Letter About Palin Goes Viral
Fri, 05 Sep 2008 17:05:00 -0400
This week in Wasilla, Alaska, a woman named Anne Kilkenny sent a letter to some college friends about her former mayor, Sarah Palin. By week's end, the letter was pinging around the country and Kilkenny's phone was ringing off the hook.
Teen Sex, Sex Education And Sarah Palin
Fri, 05 Sep 2008 16:39:00 -0400
Gov. Sarah Palin has been a strong supporter of programs that advocate abstinence until marriage, and she also opposes explicit sex education. Alaska's law is silent on these issues, however, and it provides no specific funding for sex education in the schools.
Examining Palin's Pentecostal Background
Fri, 05 Sep 2008 16:14:00 -0400
Alaska Gov. Sarah Palin has electrified religious conservatives who see her as one of their own. The Republican vice presidential candidate brings evangelical credentials to the ticket and has a Pentecostal background.

The Talk of the Town

Dorothy Wickenden: An old-style, Los Angeles feminist on Obama.
Dorothy Wickenden Fri, 29 Aug 2008 04:00:00 -0000
Rosalind Wyman--seventy-seven years old; doughty feminist; political fund-raiser and philanthropist; hostess to J.F.K., Jimmy Carter, and Bill Clinton, and Hollywood types too numerous to count; youngest elected member of the Los Angeles City Council (at the age of twenty-two); first woman to run a national political . . .
Lauren Collins: The Brooklyn painter Kehinde Wiley.
Lauren Collins Mon, 25 Aug 2008 04:00:00 -0000
The painter Kehinde Wiley first travelled to Nigeria in 1997. He was trying to find his father, whom he had never met, or, more crucially for a portraitist, seen. (His mother didn’t have any photographs.) After several weeks in Lagos, he found his dad, who welcomed him. But--like any . . .
James Surowiecki: What drives market volatility?
James Surowiecki Mon, 25 Aug 2008 04:00:00 -0000
American investors are frazzled. True, oil prices have fallen from their most vertiginous highs, the dollar is a bit stronger, and the stock market has actually risen over the past month. But none of those things have happened in a smooth and steady fashion. The stock market’s “ascent,” in particular . . .

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