This story is part of a series on the current progression in Regenerative Medicine. In 1999, I defined regenerative medicine as the collection of interventions that restore tissues and organs damaged ...

Twenty-six years ago today, on Sept. 17, a teenager who had received an experimental gene therapy died. His death led to needed changes in the clinical trial process while also spurring skepticism ...

Whole-genome duplications are rare evolutionary events in which all the chromosomes and genes of a species are doubled. This supplies new genetic material to the gene pool and can provide an ...

For millennia, evolution has intrigued many great thinkers, prompting questions about how new traits emerge as species adapt over time. Then, attention shifted to natural selection and the inheritance ...

The mouse on the left is a chimeric with dark eyes and patches of black fur, a result of stem cells derived from a choanoflagellate Sox gene. The wildtype mouse on the right has red eyes and all white ...

When heart disease runs in a family, it can feel like an invisible shadow, one you can’t quite outrun but can’t afford to ignore either. You might eat clean, jog a few miles, and still find yourself ...

At the heart of scientific questions about the origins of humanity lie questions of human nature. Are Homo sapiens intrinsically lovers or fighters, predators or prey, lucky survivors or inevitable ...

Using the oldest dog genes studied so far, scientists are finding more evidence that our furry friends have been our companions for thousands of years. Scientists think dogs descended from an ancient ...