KATY PERRY: THE PRISMATIC WORLD TOUR is a sensory explosion of eye-popping theatrics and infectious pop tracks that secured Perry's place as one of the most captivating performers working today. Directed for the stage by Baz Halpin, the tour is a collaboration with Katy that offers fans a visually stunning production that captures her fun-loving attitude and artistic appeal.
Uranium is created violently in the collapse of a star long ago. A massive explosion; a supernova that is the birth our solar system. Uranium is woven throughout the fabric of our Earth, and uranium still crackles, with the heat and violence of that creation. Uranium spits energy unlike any other rock. Its energy transforms DNA, and shapes the very nature of what it means to be human. You are who you are, because of uranium. Uranium is a changeling. Leave a lump of it alone and when you return, it will have turned into something else — all by itself. Uranium is a shape shifter that transforms itself into new forms. A goblin rock that plays tricks — the greatest of which is to transform itself into politics, culture, economics and terror. This rock, considered worthless, transforms itself into the most desirable, the most expensive and the most feared substance on Earth. In a warming world, uranium may yet transform again into our savior as a source of clean, limitless power. Be careful how you wake the Dragon.
The Great Barrier Reef is one of the richest and most complex natural ecosystems on earth. Home to a stunning array of animals, from microscopic plankton to 100-ton whales, it is one of the Seven Wonders of the Natural World. From the coral cays of the outer reef to the Islands of the Torres Strait, the reef's human residents work to find that critical balance between our needs and those of an ever diminishing natural world. Over the course of a year, Life on the Reef follows those who live, work, and play in one of the most extraordinary places on the planet, Australia's Great Barrier Reef–where man meets wild and nature calls the shots. It's high stakes and high drama across our greatest marine wilderness.
The Sun is always changing and NASA's Solar Dynamics Observatory is always watching. Launched on February 11, 2010, SDO keeps a 24-hour eye on the entire disk of The Sun, with a prime view of the graceful dance of solar material coursing through The Sun's atmosphere, the corona. SDO captures images of The Sun in 10 different wavelengths, each of which helps highlight a different temperature of solar material. Different temperatures can, in turn, show specific structures on The Sun such as solar flares, which are gigantic explosions of light and x-rays, or coronal loops, which are stream of solar material travelling up and down looping magnetic field lines. Scientists study these images to better understand the complex electromagnetic system causing the constant movement on The Sun, which can ultimately have an effect closer to Earth, too. Flares and another type of solar explosion called coronal mass ejections can sometimes disrupt technology in space. Moreover, studying our closest star is one way of learning about other stars in the galaxy. NASA's Goddard Space Flight Center in Greenbelt, Md. built, operates, and manages the SDO spacecraft for NASA's Science Mission Directorate in Washington, D.C.
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Nine years after being blown up in Afghanistan, one of Britain's most wounded soldiers takes on a gruelling mission to canoe hundreds of miles down Canada's mighty Yukon River. Ben Parkinson from Doncaster had both legs amputated and was left with a severe brain injury after the explosion in 2006. Medical staff warned Ben that he might never walk or talk again, but he has defied the odds to take on an expedition down one of the world's most remote river systems. All that stands in his way are bears, wolves and rapids, and the battle with his own damaged and broken body.