Blind since birth, Julee-anne Bell learned to get by better on her own with echolocation, a method explored in this week's Invisibilia. But along the way, she found that independence came with costs.
The agency says the person who had been operating the device reported that it crashed after they lost control. The White House says the device posed no threat.
Contenders for the 2016 presidential race spoke at Saturday's Iowa Freedom Summit, and on Sunday night, Sens. Ted Cruz, Marco Rubio and Rand Paul will participate in a live-streamed discussion.
They are being hailed as a technological solution to bad police-community relationships, but research on the cameras' impact is thin, and some departments are dealing with unintended consequences.
The potentially historic nor'easter could bring more than 2 feet of snow to the region today and Tuesday. Travel is expected to be affected, with thousands of flights already canceled.
Returning immediately to demanding physical or mental activities after a concussion can be bad for the brain, neuroscientists agree. But what about after symptoms resolve? How much rest is best?