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image: High-Flying Ducks

High-Flying Ducks

By | July 1, 2015

Five species of waterfowl have evolved a variety of adaptations to adjust to the high altitude of South America’s Lake Titicaca.

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image: A Deathly Pallor

A Deathly Pallor

By | March 1, 2015

Global warming could lead to lighter-colored insects with waning immune defenses.


image: Falling Out of the Family Tree

Falling Out of the Family Tree

By | March 1, 2015

A mutation in an ethanol-metabolizing enzyme arose around the time that arboreal primates shifted to a more terrestrial lifestyle, perhaps as an adaptation to eating fermented fruit.

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image: Predator Demoted

Predator Demoted

By | October 1, 2014

Extinct, giant arthropods, long assumed to be top predators of ancient seas, didn’t have sharp enough eyesight to be refined hunters.

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image: Seeds of Hopelessness

Seeds of Hopelessness

By | August 1, 2014

Can seed banks adequately prepare for the future if wild plant populations are already lagging behind in adapting to rapid climate change?


image: Self-Improvement Through the Ages

Self-Improvement Through the Ages

By | February 1, 2014

A 50,000-generation-long experiment shows that bacteria keep getting fitter.


image: The Ultimate Wingman

The Ultimate Wingman

By | November 1, 2013

Differential gene expression between dominant and subordinate male turkeys could help evolutionary biologists deconstruct the roots of sexual dimorphism.

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image: Evolution Takes a Road Trip

Evolution Takes a Road Trip

By | June 1, 2013

Highways and byways are among the man-made environmental alterations driving the evolution of animals on contemporary timescales, with implications for ecology.


image: Home Cookin’

Home Cookin’

By | October 1, 2012

Laboratory-raised populations of dung beetles reveal a mother's extragenetic influence on the physiques of her sons.


image: A Scientist Emerges

A Scientist Emerges

By | August 1, 2012

At age 16, Alexandra Sourakov has her first scientific publication, on the foraging behavior of butterflies.



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