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Gene-Editing Technology Offers New Ways to Create the Dogs of Our Dreams

Technologies like CRISPR are giving us new ways to create the dogs of our dreams — and a reason to reckon with our past mistakes.

© Mary Conlon/Associated Press

Life with Bailey has been “amazing,” Dr. Walker said. “I didn’t really appreciate, when people say pets are part of your family, what that really means. But she really is a part of our family.”
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An Experimental Single-Time Treatment Slashed Cholesterol for a Year

A small gene-editing study significantly reduced LDL cholesterol levels, and the results have stuck a year later.

© Juan Gaertner/Science Photo Library, via Alamy

An illustration of “bad” cholesterol molecules, in yellow, binding to receptors, in blue-purple. In the study, patients saw their “bad” LDL cholesterol and triglycerides levels drop by up to 50 percent — and remain steady a year later.
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