It was a moment of historic healing as Queen Elizabeth this week laid a wreath and bowed her head in a “hugely symbolic act of reconciliation between Ireland and Britain”.
The first ruling British monarch to visit the country in a century paid tribute at the Garden of Remembrance to the Irish rebels who died resisting British rule — a move that impressed even the cynics.





























Doctors have been using electrocorticography, or ECoG, since the 1950s to figure out which area of the brain is causing seizures. But now, by placing the array of sensors directly on the brain and connecting them to a computer, researchers are able to control robotic arms, and even determine which word a person is imagining.

