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image: Ancient Humans Had Hepatitis B

Ancient Humans Had Hepatitis B

By Abby Olena | May 9, 2018

Analyses of more than 300 ancient human genomes show that Hepatitis B virus has infected humans for at least 4,500 years and has much older origins than modern viral genomes would suggest.

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image: Effects of Neanderthal DNA on Modern Humans

Effects of Neanderthal DNA on Modern Humans

By Ruth Williams | October 5, 2017

A new study reveals how Neanderthal DNA in the genomes of present-day British people influences their traits.

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image: Do Pathogens Gain Virulence as Hosts Become More Resistant?

Do Pathogens Gain Virulence as Hosts Become More Resistant?

By Andrew F. Read and Peter J. Kerr | October 1, 2017

Emerging infections provide clues about how pathogens might evolve when farm animals are protected from infection.

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image: Infographic: Evolving Virulence

Infographic: Evolving Virulence

By Andrew F. Read and Peter J. Kerr | October 1, 2017

Tracking the myxoma virus in the wild rabbit populations of Australia has yielded insight into how pathogens and their hosts evolve.

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image: Lords of the Flies

Lords of the Flies

By Aggie Mika | June 19, 2017

Biologists’ walk in the woods sparks the creation of a masterful fruit fly field guide. 

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image: New Giant Virus Group Reported

New Giant Virus Group Reported

By Diana Kwon | April 6, 2017

A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced. 

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image: Non-Chromosomal DNA Drives Tumor Evolution

Non-Chromosomal DNA Drives Tumor Evolution

By Anna Azvolinsky | February 8, 2017

Researchers discover that short pieces of DNA harboring oncogenes are relatively widespread in cancer.

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image: Humans Never Stopped Evolving

Humans Never Stopped Evolving

By John Hawks | August 1, 2016

The emergence of blood abnormalities, an adult ability to digest milk, and changes in our physical appearance point to the continued evolution of the human race.

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image: Neanderthals’ Genetic Legacy

Neanderthals’ Genetic Legacy

By Ruth Williams | February 11, 2016

Ancient DNA in the genomes of modern humans influences a range of physiological traits.

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image: Pumpkins Saved By People?

Pumpkins Saved By People?

By Jef Akst | November 25, 2015

Domestication may have saved pumpkins, gourds, and squash as seed dispersers like the mastodon went extinct. 

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