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17 Million-Year-Old Teeth Open Windows Into Early Ape and Human Evolution

A new study shows that natural variants of oxygen within ancient animal teeth recorded details of seasonal rainfall, environmental conditions and animal behavior.

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Ancient Eggshell Fragments Crack Giant Elephant Bird’s Life Secrets

In a region where skeletal fossils are poorly preserved, old eggshells are opening a window into the evolution, diet and distribution of Madagascar's extinct birds.

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Photo Essay: Seeking Humanity’s Roots

East Africa's rift valley is considered by many to be the cradle of humanity. In the Turkana region of northwest Kenya, researchers Christopher Lepre and Tanzhuo Liu of Columbia University's...

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Ancient Humans Left Africa to Escape Drying Climate, Says Study

Ancient humans migrated out of Africa to escape a drying climate, says a new study—a finding that contradicts previous suggestions that ancient people were able to leave because a then-wet climate...

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So Much Depends on a Tree Guard

Adding protective barriers around street trees could reduce load on city sewers, study finds.

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Study Signals Change in How Scientists Calculate Ancient Diets

Scientists have long determined what extinct animals ate by analyzing carbon isotopes locked inside their fossil teeth. But a new study shows that in many cases, they may be plugging the wrong numbers...

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Contest Highlights Stunning Photos of Nature and Fieldwork

The contest, hosted Department of Ecology, Evolution, and Environmental Biology celebrates the beauty of their work.

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The Next Climate Tech Breakthrough May Have Already Happened, We Just Didn’t...

How biomimicry and evolution can offer sustainable solutions for adaptation and resilience.

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Project Will Delve Into How Climate and Tectonics Shaped Human Ancestors Over...

A new project will investigate the relationships between tectonics, climate and the evolution of humans' primate ancestors in Kenya's Turkana Basin.

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Dinosaurs Thrived After Ice, Not Fire, Says a New Study of Ancient Volcanism

The leading hypothesis for a mass extinction that cleared the way for dinosaurs to dominate the Earth has long been excessive heat. A new study says the opposite.

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