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A human brain against a background of double helices.
Photo Credit
Matt Perko
Differences in gene expression, not just their presence, seems to drive the remarkable specialization found in the human brain.

It’s all about expression

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A snorkeler with camera and note pad investigates a nearly bleached coral.
Photo Credit
Jeff Liang
Professor Deron Burkepile observes coral in the process of bleaching in the reefs around Moorea.
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A glowing circuit board
Photo Credit
Unsplash/Adi Goldstein
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Argentinian glacier as seen from ISS
Photo Credit
NASA
Argentina's Perito Moreno Glacier as seen from the International Space Station
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goat being fed grass
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Courtesy Image
Ruminants such as cows, sheep and goats host anaerobic gut fungi that can break down tough cell walls
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Two researchers, one male against exterior foliage background, one female against yellow studio background
Photo Credit
Courtesy Image
Carlos G. Levi and Thuc-quyen Nguyen
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A family, made up of a couple and their three children, in the Amazon stands together smiling.
Photo Credit
Michael Gurven
The Tsimane are an indigenous population in the Bolivian Amazon