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The presence of similar light-emitting enzymes in the distantly related organisms lends new insight into bioluminescence evolution.

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image: Neanderthal-Human Interbreeding Got an Early Start

Neanderthal-Human Interbreeding Got an Early Start

By | July 5, 2017

Mitochondrial DNA in Neanderthal bone suggests humans first left Africa earlier than previously thought.

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image: Evidence for Human Lifespan Limit Contested

Evidence for Human Lifespan Limit Contested

By | June 28, 2017

Five groups of scientists criticize a widely publicized Nature paper from 2016 suggesting that humans can only live up to 115 years.

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Students will not learn the theory in primary and secondary schools nationwide. 

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image: Mutation Linked to Longer Life Span in Men

Mutation Linked to Longer Life Span in Men

By | June 19, 2017

A deletion in a growth hormone receptor gene is tied to an average of 10 extra years of life among men, but not women, according to a study.

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image: Trump Picks National Cancer Institute Director

Trump Picks National Cancer Institute Director

By | June 12, 2017

Ned Sharpless currently leads the cancer center at the University of North Carolina, Chapel Hill.

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The new fossils push the origin of the human species back by 100,000 years.

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image: Mammals May Have a 12-Hour Clock

Mammals May Have a 12-Hour Clock

By | June 6, 2017

Data point to peaks in gene expression in the morning and evening that are distinct from day-night circadian cycles.

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image: Mammalian Jaws Evolved to Chew Sideways

Mammalian Jaws Evolved to Chew Sideways

By | June 1, 2017

Parallel evolution in jaws and teeth helped early mammals diversify their diets.

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image: Researchers Discover Salt-Loving Methanogens

Researchers Discover Salt-Loving Methanogens

By | May 26, 2017

Two previously overlooked archaeal strains fill an evolutionary gap for microbes.

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