An hour nap restores your brain’s energy

A recent study published by Berkeley UC concluded that an hour nap boosts the brain’s learning capacity and restores power, just like an email box. When it’s full, it needs a cleaning session - which is just what the nap does. So of course, what every student had to learn the hard way, when you study [...]

Cities as seen from space, at night

Recently, the NASA observatory published some great images of some cities. For a man looking at those cities at night, man’s work seems both impressive and insignificant. But the view would be fantastic: regular patterns of irrigated cropland, straight lines of roads and railways running across continents, reservoirs on river systems, and the cement rectangles [...]