In addition to their own resiliency, living things and the cells they are made of are protected from excessive amounts of UV radiation by a chemical called ozone. A layer of ozone in the upper atmosphere absorbs UV radiation and prevents most of it from reaching the Earth.
Fire rips through Torch skyscraper in Dubai. Read more about sharing. A fire has swept through the Torch skyscraper in Dubai, one of the tallest residential buildings in the world. Strong winds helped the blaze to spread across the 336.1m (1,105ft) high building in the marina district. One eyewitness told the BBC there was debris flying everywhere, falling into neighbouring buildings.
The observation deck of the world's tallest skyscraper reopened on Sunday, two months after an elevator malfunction that left visitors trapped more than 120 stories above ground forced it to close.Dozens of tourists lined up on Sunday for tickets to take an elevator to the 124th floor of the half-mile-high Burj Khalifa in Dubai.