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• Select On natural declension; Johnson

  1

  On natural declension; Johnson

  From:The Economist

  Nov. 14, 2020733 words Article 1220LThe evolution of language mirrors the evolution of species "BECAUSE POLITICS." "Latinx." "Doomscrolling." Language is developing all the time, as new usages like these arise and old ones disappear. One common way to...
• Select Penguin Speciation

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  Penguin Speciation

  Author:Niki WilsonFrom:Natural History (Vol. 127, Issue 5)

  May 2019336 words Brief article 1410LFrom finches in the Galapagos to honeycreepers in Hawaii, islands have played a key role in the evolution of new species. Now, an international team of scientists say the same holds true for penguins, even though these...
• Select Four mice species, with a common origin, have evolved on a small island. Island biogeography theory reconsidered

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  Four mice species, with a common origin, have evolved on a small island. Island biogeography theory reconsidered

  Authors:Lawrence R. Heaney and Christopher C. KyriazisFrom:Natural History (Vol. 126, Issue 7)

  July-August 20182,184 words Report 1330LThe Galapagos archipelago is the best-known place where numerous species have evolved on different islands from a single common ancestor. However, Mindoro Island in the Philippine archipelago may be the smallest island,...
• Select Darwin's puddle: blue and yellow fish living in a small lake in Tanzania are helping scientists understand basic mechanics of evolution

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  Darwin's puddle: blue and yellow fish living in a small lake in Tanzania are helping scientists understand basic mechanics of evolution

  From:Geographical (Vol. 88, Issue 8)

  Aug. 2016394 words Brief article 1350LSpeciation is the slow break of a single species into two. Geographical barriers are thought to be the main drive of these splits, when rivers, seas and mountain ranges prevent the genes from intermixing any further...
• Select Some birds prefer northern winter: differing migratory routes could signal eventual species split

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  Some birds prefer northern winter: differing migratory routes could signal eventual species split

  Author:Susan MiliusFrom:Science News (Vol. 177, Issue 1)

  Jan. 2, 2010422 words Article 1300LBackyard feeders plus a strange sense of direction may have begun to split one bird species into two. In southern Germany, some 10 percent of blackcaps (Sylvia atricapilla) fly not south, toward warmth, but rather...
• Select Environment limits species diversity

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  Environment limits species diversity

  From:Geographical (Vol. 83, Issue 2)

  Feb. 2011217 words Brief article 1470LSPECIES DIVERSIFICATION is limited by local environmental factors, according to new research on lizards in the Caribbean. The new findings support and extend the theory of island biogeography developed by Robert...
• Select Your fruit or mine?

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  Your fruit or mine?

  Author:Ann GibbonsFrom:Earth (Vol. 6, Issue 4)

  Aug. 19972,433 words Article Some scientists believe that sympatric speciation has led to the diversity of certain insects and freshwater fish. Sympatric speciation occurs when new species form without being separated from other populations....
• Select Lover's lure?

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  Lover's lure?

  Author:Ashley BraunFrom:Natural History (Vol. 122, Issue 4)

  May 2014372 words Brief article 1250LMany fishes living deep in the open ocean have adapted to their dark surroundings by producing light, known as bioluminescence, via a chemical reaction. The blue-green light can act as bait, a means of communication, or...
• Select Darwin's rotifers; Evolution

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  Darwin's rotifers; Evolution

  From:The Economist (Vol. 382, Issue 8521)

  Mar. 24, 2007699 words Article 1190LAn obscure group of invertebrates casts light on how new species form WHEN Charles Darwin opened his first notebook on the subject of how organisms change over time, the field was not even referred to as "evolution"....
• Select Andes-loving hummers

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  Andes-loving hummers

  Author:Lesley Evans OgdenFrom:Natural History (Vol. 122, Issue 5)

  June 2014381 words Brief article 1400LHummingbirds, a successful group of highly specialized birds, have recently been given a new family tree, in the most comprehensive examination of their evolutionary history yet. There are 338 known species of...
• Select Cradle or graveyard?

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  Cradle or graveyard?

  Author:Lisa FitzGeraldFrom:Sea Frontiers (Vol. 39, Issue 6)

  November-December 1993985 words Article More species live in tropical seas than in temperate or polar waters. The fossil record indicates that the same number of species develop in all waters, but the tropics has a lower rate of extinction. Research is...
• Select Microbes may separate species: removing bacteria in wasps spares crossbred offspring

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  Microbes may separate species: removing bacteria in wasps spares crossbred offspring

  Author:Susan MiliusFrom:Science News (Vol. 184, Issue 3)

  Aug. 10, 2013525 words Article 1260LThe microbes teeming inside creatures may be an overlooked but vital part of what divides host organisms into species. Two species of jewel wasp (Nasonia giraulti and N. vitripennis) stay separate largely because...
• Select A god of small things; Speciation

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  A god of small things; Speciation

  From:The Economist (Vol. 385, Issue 8549)

  Oct. 6, 2007474 words Article 1140LNatural selection in the laboratory creates a new species of virus FOR most people, the idea of isolation is an uncomfortable one. It interests Paul Turner, however, because it goes hand in hand with the formation of...