World Topics

May 23, 2015

Ethics of gene-editing technology debated

The leading U.S. scientific organization, responding to concerns expressed by scientists and ethicists, has launched an ambitious initiative to recommend guidelines for new genetic technology that has the potential to create “designer babies.” The technology, called CRISPR-Cas9, allows scientists to edit virtually any gene ...

Dog domestication much older than previously known

May 22, 2015

Dog domestication much older than previously known

Genetic information from a 35,000-year-old wolf bone found below a frozen cliff in Siberia is shedding new light on humankind’s long relationship with dogs, showing canine domestication may have occurred earlier than previously thought. Today’s dogs, from the Chihuahua to the Great Dane, are ...