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Early Climate

Newly discovered drumlin field provides answers about glaciation and climate

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1000pa (Nov. 16, 2010) — The landform known as a drumlin, created when the ice advanced during the Ice Age, can also be produced by today's glaciers. This discovery, made by researchers from the University of Gothenburg, Sweden, has just been published in the journal Geology.

Drumlins generally consist of an accumulation of glacial debris -- till -- and are found in areas that were covered by ice sheet. As the ice advanced, it moved rocks,...

1000pa (Nov. 16, 2010) — The landform known as a drumlin, created when the ice advanced during the Ice Age, can also be produced by today's glaciers. This discovery, made by researchers from the University of Gothenburg, Sweden, has just been published in the journal Geology.

Drumlins generally...

Tropical forest diversity increased during ancient global warming event

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1000pa (Nov. 11, 2010) — The steamiest places on the planet are getting warmer. Conservative estimates suggest that tropical areas can expect temperature increases of 3 degrees Celsius by the end of this century. Does global warming spell doom for rainforests? Maybe not.

Carlos Jaramillo, staff scientist at the Smithsonian Tropical Research Institute, and colleagues report in the journal Science that nearly 60 million years ago rainforests...

1000pa (Nov. 11, 2010) — The steamiest places...

Extreme global warming in the ancient past

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1000pa (Nov. 11, 2010) — Variations in atmosphere carbon dioxide around 40 million years ago were tightly coupled to changes in global temperature, according to new findings published in the journal Science. The study was led by scientists at Utrecht University, working with colleagues at the NIOZ Royal Netherlands Institute for Sea Research and the University of Southampton.

"Understanding the relationship between the Earth's climate and...

1000pa (Nov. 11, 2010) — Variations in...

Scottish horticulturalist Patrick Matthew proposed more accurate theory of gradual evolution before Charles Darwin did, geologist argues

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1000pa (Nov. 9, 2010) — Charles Darwin may not have put forth the earliest or most accurate theory of gradual evolution. In an essay in the journal Historical Biology, New York University geologist Michael Rampino argues that a more accurate theory of gradual evolution, positing that long periods of evolutionary stability are disrupted by catastrophic mass extinctions of life, was put forth by Scottish horticulturalist Patrick Matthew...

1000pa (Nov. 9, 2010) — Charles Darwin may not have...

Ancient animal urine provides insight into climate change

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1000pa (Oct. 13, 2010) — Scientists at the University of Leicester are using an unusual resource to investigate ancient climates -- prehistoric animal urine.

The animal in question is the rock hyrax, a common species in countries such as Namibia and Botswana. They look like large guinea pigs but are actually related to the elephant. Hyraxes use specific locations as communal toilets, some of which have been used by generations of animals...

1000pa (Oct. 13, 2010) — Scientists at the...

'Archeologists of the air' isolate pristine aerosol particles in the Amazon

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1000pa (Sep. 20, 2010) — Environmental engineers who might better be called "archeologists of the air" have, for the first time, isolated aerosol particles in near pristine pre-industrial conditions.

Working in the remote Amazonian Basin north of Manaus, Brazil, the researchers measured particles emitted or formed within the rainforest ecosystem that are relatively free from the influence of anthropogenic, or human, activity.

The finding,...

1000pa (Sep. 20, 2010) — Environmental...

Nanodiamonds discovered in Greenland ice sheet, contribute to evidence for cosmic impact

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1000pa (Sep. 15, 2010) — Nanosize diamonds have been discovered in the Greenland ice sheet, according to a study reported by scientists in a recent online publication of the Journal of Glaciology. The finding adds credence to the controversial hypothesis that fragments of a comet struck across North America and Europe approximately 12,900 years ago.

"There is a layer in the ice with a great abundance of diamonds," said co-author James...

1000pa (Sep. 15, 2010) — Nanosize diamonds have...

Frosty times for dinosaurs: Major fall in temperature 137 million years ago during Cretaceous greenhouse period, evidence shows

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1000pa (Sep. 15, 2010) — A major drop in temperature 137 million years ago briefly interrupted the warm, equable climate of the Cretaceous Period. The water temperature in the Arctic Ocean fell from around 13°C to between 4 and 7°C, possibly causing the poles to freeze over.

Gregory Price from the University of Plymouth, UK and Elizabeth Nunn from Johannes Gutenberg University Mainz, Germany investigated rock samples with fossil belemnites...

1000pa (Sep. 15, 2010) — A major drop in...

Sun and volcanic eruptions pace North Atlantic climate swings

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1000pa (Sep. 14, 2010) — A study presented in Nature Geoscience suggests that changes in solar intensity and volcanic eruptions act as a metronome for temperature variations in the North Atlantic climate.

A research team from the Bjerknes Centre for Climate Research in Bergen, Norway, has studied the climate in the North Atlantic region over the past 600 years using the Bergen Climate Model and the observed temperature evolution. They point...

1000pa (Sep. 14, 2010) — A study presented in...

New clue to how last ice age ended

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1000pa (Sep. 8, 2010) — As the last ice age was ending, about 13,000 years ago, a final blast of cold hit Europe, and for a thousand years or more, it felt like the ice age had returned. But oddly, despite bitter cold winters in the north, Antarctica was heating up. For the two decades since ice core records revealed that Europe was cooling at the same time Antarctica was warming over this thousand-year period, scientists have looked for...

1000pa (Sep. 8, 2010) — As the last ice age was...

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First Bird
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Unexplained artifacts

unexplained artifacts
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Evolution

Timeline: Human Evolution

Biggest Dinosaurs

The 10 Biggest Dinosaurs

Fossils 

Fossil Formation: How Do Fossils Form?
 

Book review

Dinosaurs Encyclopedia

Book Review

Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages ... WRITTEN BY A PROFESSIONAL paleontologist specifically for young readers, this guide to the Dinosauria is packed...