Police search Arizona home of person detained in connection to Nancy Guthrie disappearance

Nancy Guthrie, the 84-year-old mother of US TV presenter Savannah Guthrie, was abducted from her home in Tucson, Arizona, ...

'Tipping point' reached in creation of brain chips that can read thoughts

Decades after the first demonstration of brain computer interfaces, we have reached a "tipping point" in creating the first ...