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The lungs of extremely premature lambs supported in a closed, sterile environment that enables fluid-based gas exchange grow and develop normally, researchers report.

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While studying the progression of healthy cells into cancerous ones, researchers discover a way to engraft human blood cells into animals.

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image: Opinion: Canine Models for Alzheimer’s

Opinion: Canine Models for Alzheimer’s

By | March 1, 2017

For research on drugs to treat neurodegenerative diseases, dogs offer a better predictor of clinical outcomes. 

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image: Opinion: Reuse and Reduce

Opinion: Reuse and Reduce

By | January 16, 2017

Sharing leftover samples from preclinical experiments is one way biomedical researchers can make the most of animal models.

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image: Assessing the Behavior of Lab Animals

Assessing the Behavior of Lab Animals

By | November 1, 2016

Advances in cage design and monitoring software allow the collection of more realistic data.

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image: Researchers Grow “Frankenstein Ants” to Study Epigenetics

Researchers Grow “Frankenstein Ants” to Study Epigenetics

By | October 1, 2016

A molecular biologist ventures into entomology to use genetically modified ants as laboratory models of behavioral epigenetics.

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image: Zika-Associated Brain Injuries Found in Monkey Fetus

Zika-Associated Brain Injuries Found in Monkey Fetus

By | September 13, 2016

Scientists image fetal brain lesions in a pigtail macaque whose mother was infected with the virus while pregnant.

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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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image: Nonhuman Primate Model of Zika

Nonhuman Primate Model of Zika

By | June 28, 2016

Researchers infect rhesus macaques with the virus to better study its effects in humans.

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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.

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