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image: Will Organs-in-a-Dish Ever Replace Animal Models?

Will Organs-in-a-Dish Ever Replace Animal Models?

By | July 19, 2016

Increasingly sophisticated tissue organoids can model many aspects of disease, but animal studies retain a fundamental role in research, scientists say. 

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Exposing male rats to nonionizing radiation increased the animals’ risk of brain and heart tumors in a study, but the findings are far from conclusive.


image: Animal-Free Toxicity Testing

Animal-Free Toxicity Testing

By | January 26, 2016

Scientists debut a system that can quickly test the toxicity of thousands of compounds in vitro.


image: Adapting to Arsenic

Adapting to Arsenic

By | June 1, 2015

Andean communities may have evolved the ability to metabolize arsenic, a trait that could be the first documented example of a toxic substance acting as an agent of natural selection in humans.

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image: Missing Mouse Mojo

Missing Mouse Mojo

By | February 1, 2015

Cracking the case of laboratory mice that suddenly stopped reproducing involved a little chemical sleuthing


image: HHS Updates Carcinogens List

HHS Updates Carcinogens List

By | October 3, 2014

Four chemicals are added to the official US catalog of potential cancer-causing substances.

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image: Contributors


By | October 1, 2014

Meet some of the people featured in the October 2014 issue of The Scientist.

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image: Opinion: Problems with Hidden COI

Opinion: Problems with Hidden COI

By | October 28, 2013

There may be much more to conflicts of interest than what gets declared.


image: Little White and the Three Toxins

Little White and the Three Toxins

By | May 1, 2013

Previously unknown poisonous compounds isolated from a new species of mushroom may be responsible for the deaths of hundreds in China, but precisely how the fungus killed its victims is not clear.


image: Birds Monitor Pollution

Birds Monitor Pollution

By | November 20, 2012

Homing pigeons and tree swallows are being used to monitor pollution in cities and track environmental clean-up work at former industrial sites.


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