EPA’s decision “is a decisive win for taxpayers, animals, and the environment,” says Justin Goodman, vice president of advocacy and public policy at the White Coat Waste Project. “Animal tests are unreliable and misleading,” he asserts

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But the practical challenges of breeding and maintaining unconventional lab animals persist

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There’s been a lot of talk about overinvestment in interventions aimed at amyloid in the weeks since Biogen discontinued a late-stage study of aducanumab, an experimental therapy for Alzheimer’s disease

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With a built-in supply of a powerful cocaine-chomping enzyme, the transplant might also curb addiction

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Machine learning on mountain of safety data improves automated assessments

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The history of Warfarin is a surprisingly bloody one. Find out how this anticoagulant drug went from cow-killer to life-saver in this Nature Video animation

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Rats, mice, rabbits, and other animals have long been an essential part of testing drugs for safety and efficacy before they make their way to human subjects. But some scientists are trying to spare these animals, and even make drugs safer, by instead creating and relying on virtual test subjects

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Scientists say they are a step closer to growing fully functioning replacement kidneys, after promising results in animals

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