Why (and How) Your Skin Wrinkles Underwater??

Our skin is made of two layers: the epidermis (the layer you see) and the dermis (the layer underneath that contains blood vessels). When your hands and/or feet have been underwater for a long time, your nervous system tells the blood vessels in your dermis to constrict. This reduces the volume of the dermis, which in turn reduces the tension with which the epidermis is stretched. As a result, the epidermis "relaxes," forming wrinkles. Interesting.....

World's first 'invisible' Building in Korea

From left, the planned tower with its LED system not activated; with 30 per cent power; and with the facade fully powered. This post was originally published on Mashable. A new skyscraper will soon be a part of the skyline in Seoul, South Korea – but you may not be able to see it. Architects behind the world's first invisible skyscraper were granted a permit to begin construction on the...