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image: When Males Kill Young

When Males Kill Young

By | November 13, 2014

Many social factors contributed to the evolution of male infanticide in mammal societies.

3 Comments

image: Genetic Data Clarify Insect Evolution

Genetic Data Clarify Insect Evolution

By | November 6, 2014

Researchers create a phylogenetic tree of insects by comparing the sequences of 1,478 protein-coding genes among species.

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image: Rapid Evolution in Real Time

Rapid Evolution in Real Time

By | October 23, 2014

On islands off the coast of Florida, scientists uncover swift adaptive changes among Carolina anole populations, whose habitats were disturbed by the introduction of another lizard species.

8 Comments

image: Ancient Sex

Ancient Sex

By | October 19, 2014

Fossils of an extinct, armored fish challenge current understanding of when copulation and internal fertilization evolved in jawed vertebrates.

3 Comments

image: New Genes = New Archaea?

New Genes = New Archaea?

By | October 15, 2014

Genes acquired from bacteria contributed to the origins of archaeal lineages, a large-scale phylogenetic analysis suggests.

1 Comment

image: Modified Yeast Tolerate Alcohol, Heat

Modified Yeast Tolerate Alcohol, Heat

By | October 2, 2014

Simple changes help yeast thrive in the presence of their own harmful byproducts and could boost biofuel production.

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image: Bird Diversity Drops From Forests to Farms

Bird Diversity Drops From Forests to Farms

By | September 11, 2014

Farms support less phylogenetically diverse bird populations than forests, but some farms are better than others.

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image: How Hummingbirds Taste Nectar

How Hummingbirds Taste Nectar

By | August 21, 2014

Hummingbirds perceive sweetness through a receptor with which other vertebrates taste savory foods. 

1 Comment

image: Mosaic Mutations

Mosaic Mutations

By | July 31, 2014

Some genetic abnormalities that appear to have sprung up independently in children are in fact present in a portion of their parents’ cells.

3 Comments

image: Prepped for the Long Sleep

Prepped for the Long Sleep

By | July 30, 2014

Hibernation-related proteins are common even in non-hibernating animals, a study shows.

2 Comments

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