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image: Butterflies in Peril

Butterflies in Peril

By | August 12, 2015

Several recent studies point to serious—and mysterious—declines in butterfly numbers across the globe.


image: Doctor Who Blocked Thalidomide Dies

Doctor Who Blocked Thalidomide Dies

By | August 11, 2015

Frances Oldham Kelsey, a physician who halted use of a drug that caused birth defects in babies, has passed away at age 101.


image: Yeast Genome Doubling

Yeast Genome Doubling

By | August 10, 2015

The results of a computational genetic analysis suggest Saccharomyces cerevisiae doubled its genome through species hybridization.


image: Legionnaires’ Disease Kills Eight in NYC

Legionnaires’ Disease Kills Eight in NYC

By | August 6, 2015

New York City reports its eighth victim of Legionnaires’ disease in the past month. Nearly 100 people have been hospitalized.

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image: Investigating the Four-legged Snake Fossil

Investigating the Four-legged Snake Fossil

By | August 5, 2015

Brazilian officials are trying to determine whether the transformational fossil find was exported illegally from the country.

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image: Opinion: Life’s X Factor

Opinion: Life’s X Factor

By | August 4, 2015

Did endosymbiosis—and the innovations in membrane bioenergetics it engendered—make it possible for eukaryotic life to evolve?

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image: Ebola Vax Success

Ebola Vax Success

By | August 3, 2015

An experimental vaccine against Ebola virus disease may completely protect people against infection, according to a clinical study in Guinea.


image: Contributors


By | August 1, 2015

Meet some of the people featured in the August 2015 issue of The Scientist.


image: Mimicry Muses

Mimicry Muses

By | August 1, 2015

The animal world is full of clever solutions to bioengineering challenges.


image: Mysterious Blockage

Mysterious Blockage

By | August 1, 2015

Learn more about biliary atresia, a disease that inflicts newborn babies and young lambs whose mothers eat poisonous plants.


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