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image: Free Divers From Southeast Asia Evolved Bigger Spleens

Free Divers From Southeast Asia Evolved Bigger Spleens

By Anna Azvolinsky | April 19, 2018

The adaptation gives better endurance to the Bajau people, known as sea nomads, by increasing spleen size and, in turn, boosting the number of oxygenated red blood cells when diving.  

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In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.

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image: Global Patterns of Human Epigenetic Variation

Global Patterns of Human Epigenetic Variation

By Ashley Yeager | August 28, 2017

A study of five far-flung human populations gives clues to adaptations to environmental pressures.

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image: Pollution Drives Marine Reptile Color Change

Pollution Drives Marine Reptile Color Change

By Bob Grant | August 11, 2017

The turtle-headed sea snake is losing its stripes, and researchers suggest that the change reflects adaptation to fouled oceans.

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image: Image of the Day: Tiny but Telling Flea

Image of the Day: Tiny but Telling Flea

By The Scientist Staff | May 9, 2017

The recently updated genome sequence of the Daphnia pulex can shed more light on how it adapts to stress, environmental toxins, and warming temperatures.

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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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Researchers solve the mystery of 15-year-old mutant ferns with disrupted sex determination.

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image: Adaptation, Island Style

Adaptation, Island Style

By The Scientist Staff | January 3, 2017

Anole lizards inhabiting the Caribbean islands display some of the key principles of evolution.

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image: Corals Show Genetic Plasticity

Corals Show Genetic Plasticity

By Joshua A. Krisch | November 7, 2016

Inshore corals thrive in a chaotic ecosystem thanks to dynamic gene-expression regulation, which may help the marine invertebrates better adapt to rising sea surface temperatures.

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image: Genome Digest

Genome Digest

By Catherine Offord | May 17, 2016

What researchers are learning as they sequence, map, and decode species’ genomes  

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