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image: How Immune Receptors Got into Mouse Noses

How Immune Receptors Got into Mouse Noses

By | September 1, 2017

A study traces proteins’ evolution from the immune to the olfactory system.

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image: Pollution Drives Marine Reptile Color Change

Pollution Drives Marine Reptile Color Change

By | 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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Their waters served as refuges during ice ages, allowing for adaptation and the emergence of new species.

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image: Lords of the Flies

Lords of the Flies

By | June 19, 2017

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

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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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Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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image: Another New Timeline for <em>Homo naledi</em>

Another New Timeline for Homo naledi

By | April 27, 2017

The ancient human may have lived around 200,000 to 300,000 years ago—much more recently than previously estimated.

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image: Study: Diet Contributes to Brain Size

Study: Diet Contributes to Brain Size

By | March 30, 2017

The results of a historical primate behavior analysis suggest that species with fruit-filled diets evolved larger brains.

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image: In Certain Social Bees, Gut Microbiomes Follow Phylogeny

In Certain Social Bees, Gut Microbiomes Follow Phylogeny

By | March 29, 2017

Corbiculate bees and their gut-dwelling microbes have been coevolving since the social species evolved from their solitary ancestors around 80 million years ago, scientists suggest. 

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