The iron cycle in the ocean
Earth

Tracing iron in the North Pacific

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Main slab of Pengornithid Enantiornithine
Fossils

Medullary bone found in Cretaceous birds

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Millook Haven Beach, England
Geologic Features

Millook Haven Beach, England

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Cyanobacteria up close
Paleontology

Oxygen could have been available to life as early as 3.5...

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This is an artistic reconstruction of a mother and calf of Maiabalaena nesbittae nursing offshore of Oregon during the Oligocene, about 33 million years ago.
Fossils

Whales lost their teeth before evolving hair-like baleen in their mouths

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Teilhardina brandti
Fossils

Oldest-known ancestor of modern primates may have come from North America,...

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Mount Etna Eruption on Jan. 12, 2011.
Volcanoes

New automated volcano warning system forecasts imminent eruptions

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For her research Witkowski collected seawater with fresh, modern algae to test potential indicators of the past.
Fossils

Fossil algae reveal 500 million years of climate change

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Mosquitoes in the amber.
Paleontology

Blood-sucking flies have been spreading malaria for 100 million years

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Deception Island.
Volcanoes

A large volcanic eruption shook Deception Island 3,980 years ago

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