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The test can pick up several types of cancer, including pancreatic and ovarian, years before symptoms appear.

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Divergent human lineages of North America intermingled before setting off to establish populations of Central and South America.  

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The reef has bounced back from “death events” in the past, but that doesn’t mean it will be resilient over the next few decades.

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Proposed changes to the state’s school science standards would emphasize that parts of the theory are “not proven.”

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image: Present-Day Arboreal Birds Have Ground-Dwelling Past

Present-Day Arboreal Birds Have Ground-Dwelling Past

By Sukanya Charuchandra | May 24, 2018

A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.  

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image: What Made Human Brains So Big?

What Made Human Brains So Big?

By Ashley Yeager | May 24, 2018

Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.

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image: Prevalent Form of Childhood Leukemia May Be Preventable

Prevalent Form of Childhood Leukemia May Be Preventable

By Sukanya Charuchandra | May 22, 2018

Early exposure to common microbes could stop leukemia from manifesting in children.

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image: Conservation Biologist Ben Collen Dies of Bone Cancer

Conservation Biologist Ben Collen Dies of Bone Cancer

By Shawna Williams | May 22, 2018

The University College London researcher investigated how environmental pressures affect animals.

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image: Newly Described Salamander Species Nearly Extinct

Newly Described Salamander Species Nearly Extinct

By Sukanya Charuchandra | May 21, 2018

The Chinese giant salamander is not one but five different species.

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image: Immunotherapy More Effective in Men: Study

Immunotherapy More Effective in Men: Study

By Kerry Grens | May 18, 2018

Women with metastatic cancer who were treated with a checkpoint inhibitor had a smaller benefit than did men.

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