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.
1 World Trade Center. Following the 10th Anniversary of September 11th, many people are wondering about the history and the progress of the Freedom Tower. Learn about the building that will be the tallest in the United States here. After the World Trade Center towers were destroyed in the September 11th attacks, many wondered how to rebuild and more importantly, how to honor the nearly 3,000 victims who lost their lives on that awful day.