In canada, 2012, doctors were able to communicate with a man in a vegetative state. Coma patient scott routley was able to tell doctors by using his thoughts that he was not in any pain.
Used for water distribution, the Delaware Aqueduct in New York, USA is the longest tunnel in the world (as of 2010). Drilled through solid rock, it reaches a staggering 137 kilometres (85 miles) in length.
