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News Feature: Do hosts and their microbes evolve as a unit?

Jyoti Madhusoodanan, Science Writer

July 16, 2019 116 (29)

A group of evolutionary biologists sees evidence for a hologenome. Others dismiss it entirely. One thing’s certain: The debate remains heated. Image credit: Shutterstock/Piriya Gutsch.

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Inner Workings: Physicists dig deep to seek the origin of matter

Anil Ananthaswamy, Science Writer

July 9, 2019 116 (28)

The planned DUNE experiment, located in a cavern deep inside a defunct South Dakota gold mine, aims to do nothing less than probe the origins of matter. Image credit: CERN.

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Core Concept: Gene transfers from bacteria and viruses may be shaping complex organisms

Viviane Callier, Science Writer

July 9, 2019 116 (28)

While horizontal gene transfer has been well documented among bacteria, recent work suggests gene transfers from bacteria to multicellular organisms are much more common than previously thought. Image credit: Richard Cordaux.