We made three attempts to capture a jaguar after arriving at Fazenda Bodoquena in Miranda, Mato Grosso do Sul state, on a ...

Pooled genetic screens based on RNAi or CRISPR enable thousands of programmed perturbations per experiment 1,2. However, assays for such screens are limited to coarse phenotypes (e.g., cell viability) ...

Twenty-four years after Dolly the sheep — the first mammal to ever be successfully cloned from an adult cell — was born in Scotland, business is booming for pet cloning in the United States. “Cloning ...

Human cloning is both scientifically and morally unethical, says Stephen E. Wear, associate professor of medicine and director of the Center for Clinical Ethics and Humanities in Health Care at the ...