A tube worker being lowered into a tunnelling shaft in Cavendish Square during work on London Underground's new Victoria Line. According to author Will Hunt, there are whole worlds. In his first book, Underground: A Human History of the Worlds Under Our Feet, Hunt takes readers on a journey through the catacombs, Cold War bunkers, subway systems and ancient burrows around the world. For over a decade, he traveled, along with urban explorers and scientists, through subterranean landscapes so few humans dare to tread, in order to discover new insights into human nature. It turns out that the damp, dark spaces miles below our daily life have a lot to tell us about how we think and live.
In March, the United States banned laptops in cabins on flights to the United States originating at 10 airports in eight countries -- Egypt, Morocco, Jordan, the United Arab Emirates, Saudi Arabia, Kuwait, Qatar and Turkey -- to address fears that bombs could be concealed in electronic devices taken on board.
To study the effect at sea, Stoffregen used a force plate -- a device that looks like a bathroom scale but measures subtle shifts in body position -- to measure the amount of sway in a body as the brain takes in sensory information and adjusts muscles to maintain balance. He tested crew members on research vessels, Semester at Sea students on large cruise vessels, and elderly cruise ship passengers by asking them to focus on an object just a few feet away, one a little further away and a third at more than 30 feet, effectively what would be the horizon line. They did the test at the dock and at sea.