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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: Centennial <em>Shigella</em>

Centennial Shigella

By | February 1, 2015

A strain of the dysentery-causing bacterium isolated in 1915 tells the story of a young soldier who died of the disease in the early days of World War I.

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image: Seal Stowaways

Seal Stowaways

By | November 1, 2014

Pathogen traces recovered from Peruvian mummies suggest tuberculosis-causing bacteria rode from Africa to South America in pinnipeds.

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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: Chagas Watchdogs

Chagas Watchdogs

By | September 1, 2014

Can screening dogs for Trypanosoma cruzi antibodies inform public health officials about the risk of Chagas disease to people?

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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?

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image: Sex and Drugs

Sex and Drugs

By | July 1, 2014

Did 20th-century pharmaceutical and technological advances shape modern sexual behaviors?

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image: The Love Bug

The Love Bug

By | July 1, 2014

A mysterious iridovirus outbreak in a lab colony of crickets reveals the virus’s ability to spur increased sexual activity.

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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.

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image: Farmer Fungi

Farmer Fungi

By | January 1, 2014

Researchers uncover an unprecedented relationship between morels and bacteria. But can it be called agriculture?

3 Comments

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