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image: Human Species May Be Much Older Than Previously Thought

Human Species May Be Much Older Than Previously Thought

By | September 29, 2017

From DNA evidence, researchers estimate the split from other species took place between 260,000 and 350,000 years ago.

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image: Hunter-gatherer Microbiomes Cycle with the Seasons

Hunter-gatherer Microbiomes Cycle with the Seasons

By | August 24, 2017

The composition of the gut microbiota varies by time of year and is more diverse than that of industrialized groups.

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image: Gordon Awandare: Ghana’s Homecoming King

Gordon Awandare: Ghana’s Homecoming King

By | August 21, 2017

The infectious disease scientist spent seven years in the U.S. before returning home to establish a thriving center for research and help lead the fight against malaria.

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image: A Grisly Stork Buffet

A Grisly Stork Buffet

By | August 15, 2017

Marabou storks on Kenya’s Mara River feast on the carcasses of migrating wildebeest that failed to make it across the waterway.

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image: From Mass Death, Life

From Mass Death, Life

By | August 15, 2017

When thousands of animals die during mass migrations, ecosystems accommodate the corpses and new cycles are set in motion.

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image: Life Springs Eternal

Life Springs Eternal

By | August 15, 2017

When scores of migrating wildebeest fail to survive a treacherous river crossing, their corpses fuel thriving ecosystems.

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International agencies responded quickly to the crisis, but some public health officials say the world may not be ready for a bigger outbreak.

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Researchers find differences in predatory behavior between a long-observed chimp tribe and a recently habituated one. 

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image: WHO Elects New Leader

WHO Elects New Leader

By | May 24, 2017

Breaking norms, the World Health Organization chooses Tedros Adhanom Ghebreyesus, a non-MD from Africa, as its new director-general.  

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image: Two Confirmed Cases of Ebola in Congo

Two Confirmed Cases of Ebola in Congo

By | May 15, 2017

More than a dozen other individuals are suspected of infection in the central African nation.

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