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image: The Spleen Collectors

The Spleen Collectors

By | August 1, 2015

Donated organs are helping researchers map out the immune system in humans.


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: Cancer Kismet

Cancer Kismet

By | April 1, 2015

Fate mapping allows researchers to follow cancer progression from its cell type of origin.

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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: Smoke Detectors

Smoke Detectors

By | August 1, 2013

Ancient receptors in seeds bind a small molecule in smoke that promotes germination.

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