Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there are still huge hurdles to overcome. Last November, the UK government ...

Science has always demanded a certain fearlessness — a willingness to venture beyond the known and test the limits of what’s possible. But throughout history, that fearlessness has sometimes crossed ...

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Laboratory experiments are controlled empirical methods conducted in artificial or semi-artificial settings to isolate, manipulate, and measure specific variables under reproducible conditions. They ...