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 ...

Robotic arm controlled by paralyzed man's thoughts

May 22, 2015

Robotic arm controlled by paralyzed man's thoughts

A man paralyzed by gunshot more than a decade ago can shake hands, drink beer and play “rock, paper, scissors” by controlling a robotic arm with his thoughts, researchers reported. Two years ago, doctors in California implanted a pair of tiny chips into the ...