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天主教對演化論的立場 -- 路透社 P. Pullella
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Evolution fine but no apology to Darwin: Vatican 

-- Philip Pullella

VATICAN CITY (Reuters) - The Vatican said on Tuesday

the theory of evolution was compatible with the Bible but

planned no posthumous apology to Charles Darwin for the

cold reception it gave him 150 years ago.

Archbishop Gianfranco Ravasi, the Vatican's culture

minister, was speaking at the announcement of a Rome

conference of scientists, theologians and philosophers to

be held next March marking the 150th anniversary of the

publication of Darwin's "The Origin of Species."

Christian churches were long hostile to Darwin because

his theory conflicted with the literal biblical account of

creation.

Earlier this week a leading Anglican churchman, Rev.

Malcolm Brown, said the Church of England owed Darwin

an apology for the way his ideas were received by

Anglicans in Britain.

Pope Pius XII described evolution as a valid scientific

approach to the development of humans in 1950 and

Pope John Paul reiterated that in 1996. But Ravasi said

the Vatican had no intention of apologizing for earlier

negative views.

"Maybe we should abandon the idea of issuing apologies

as if history was a court eternally in session," he said,

adding that Darwin's theories were "never condemned by

the Catholic Church nor was his book ever banned."

Creationism is the belief that God created the world in six

days as described in the Bible. The Catholic Church does

not read the Genesis account of creation literally, saying

it is an allegory for the way God created the world.

Some other Christians, mostly conservative Protestants

in the United States, read Genesis literally and object to

evolution being taught in biology class in public high

schools.

Sarah Palin, the Republican candidate for the U.S. vice

presidency, said in 2006 that she supported teaching both

creationism and evolution in schools but has subsequently

said creationism does not have to be part of curriculum.

THEISTIC EVOLUTION

The Catholic Church teaches "theistic evolution," a stand

that accepts evolution as a scientific theory and sees no

reason why God could not have used a natural

evolutionary process in the forming of the human species.

It objects to using evolution as the basis for an atheist

philosophy that denies God's existence or any divine role

in creation. It also objects to using Genesis as a scientific

text.

As Ravasi put it, creationism belongs to the "strictly

theological sphere" and could not be used "ideologically in

science."

Professor Philip Sloan of Notre Dame University, which is

jointly holding next year's conference with Rome's

Pontifical Gregorian University, said the gathering would

be an important contribution to explaining the Catholic

stand on evolution.

"In the United States, and now elsewhere, we have an

ongoing public debate over evolution that has social,

political and religious dimensions," he said.

"Most of this debate has been taking place without a

strong Catholic theological presence, and the discussion

has suffered accordingly," he said.

Pope Benedict discussed these issues with his former

doctoral students at their annual meeting in 2006. In a

speech in Paris last week, he spoke out against biblical

literalism.

(Additional reporting by Tom Heneghan in Paris and Patsy

Wilson in Washington; editing by Robert Hart)

轉貼自︰

http://news.yahoo.com/s/nm/20080916/sc_nm/vatican_evolution_dc;_ylt=Avarp_MJDLEOdsw2dG0KbvMbr7sF



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步行魚透露生物演化的內情 -- W. Dunham (路透社)
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"Walking fish" reveals fresh evolutionary insights 

By Will Dunham

WASHINGTON (Reuters) - An extraordinary fish that

existed 375 million years ago had unique features in its

head that helped pave the way for vertebrate animals to

live on land, scientists said on Wednesday.

Scientists for the first time described features in the

underside of the skull of Tiktaalik roseae, the so-called

"walking fish" discovered in the Canadian Arctic in 2004.

It is considered an important transitional animal in the

evolution of fish into amphibians, the first land-dwelling

vertebrates.

The findings showed that the migration from water to land

was more complicated than merely having a fish's fins

transform into legs, the scientists wrote in the journal

Nature.

The head showed changes from more primitive fish that

helped adapt to the new feeding and breathing conditions

presented by a terrestrial environment, the scientists

said. Like some other fish of its time, it had gills and

lungs.

"It's not to say that Tiktaalik itself is a terrestrial animal. It

spent most of its time in water, for sure," Jason Downs of

the Academy of Natural Sciences in Philadelphia, one of

the researchers, said in a telephone interview.

"So what it's really demonstrating is that many of these

changes that are occurring and things that we once

associated with terrestrial life are turning out, in fact, to

be adaptations for life in shallow water settings that

Tiktaalik might had found himself in," Downs added.

PREDATOR

It likely inhabited the mudflats of freshwater flood plains of

a subtropical environment. It was a large aquatic

predator, measuring up to 9 feet long, with sharp teeth

and a flattened head like a crocodile and unlike primitive

fish.

It may have been able to exit the water for short jaunts on

land.

"Fish in the water, insects on land -- it could feed on all of

those if you look at the skull," said Neil Shubin of the

University of Chicago, another of the researchers.

Tiktaalik is seen as a forerunner of all land vertebrates

including amphibians, reptiles, mammals and eventually

people.

The scientists described key features in its head and

and the decline in size of a bone called the hyomandibula.

In fish, this bone links the braincase, roof of the mouth

and gill structures and coordinates their motions during

underwater feeding and respiration.

As land animals evolved, the hyomandibula eventually

became the stapes, one of the tiny bones in the middle

ear.

Tiktaalik has features of some of the more primitive fish it

lived with as well as features of the first four-legged

amphibians that lived on land. Its fins had discernible

wrists and elbows in an evolutionary step toward legs that

could be used to walk around on dry land.

The underside of the skull remained encased in rock at

the time Tiktaalik's discovery was announced. Using a

needle to remove rock grain by grain under a microscope,

scientists have painstakingly studied the inside of the

creature's skull.

(Editing by Xavier Briand)

轉貼自︰

http://news.yahoo.com/s/nm/20081015/sc_nm/us_fish_land;_ylt=AgLYpNnV1_JHwWmic4gFgXUbr7sF



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生物學家發現生存1億2千萬年的螞蟻品種 -- 路透社
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Scientists discover 120 million year-old ant

BERLIN (Reuters) - German biologists have discovered a

new species of ant they believe is the oldest on the

planet, dating back around 120 million years.

Researchers from Karlsruhe's Natural History Museum

found the 3-millimeter-long (0.118 inch) insect in the

Amazon rainforest in 2007, and hope it will shed light on

the early evolution of ants.

"It's by far the most spectacular find of my 26-year

career," said museum biologist Manfred Verhaagh on

Tuesday.

Scientists from Karlsruhe originally found an unidentified

species of ant of a similar type in the Brazilian rainforest

in 2003. However, due to an accident in the laboratory,

the insect dried up, making further research impossible,

Verhaagh said.

Last year a separate team from the museum's research

body was in the forest investigating fungus when they

stumbled upon the tiny insect, and named it "Martialis

heureka."

Resembling a miniature wasp, the insect is like no other

ant, and probably dates back 120 million years, making it

the oldest still inhabiting the earth, Verhaagh said. The

scientists used DNA samples from its front leg to establish

its likely age.

The last discovery of a new ant species was in 1923, he

added.

(Reporting by Josie Cox, Editing by Mark Trevelyan)

轉貼自︰

http://news.yahoo.com/s/nm/20080916/sc_nm/germany_ant_dc;_ylt=AjouCgCSngPZu0DVjp_Ln90br7sF

 



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