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While on his trip to China to drum up financial interest in the UK’s HS2 high-speed rail project, Chancellor George Osborne sat down with Sky’s Economics Editor Ed Conway.

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This 3-D visualization flies across a small portion of the Veil Nebula as photographed by the Hubble Space Telescope. This region is a small part of a huge expanding remnant from a star that exploded many thousands of years ago. Hubble resolves tangled rope-like filaments of glowing gases. They have been shocked and heated by colliding with cooler, denser interstellar gas.

The 3-D model has been created for illustrative purposes and shows that the giant bubble of gas has a thin, rippled surface. It also highlights that the emission from different chemical elements arises from different layers of gas within the nebula. In the imagery, emission from Sulfur, Hydrogen, and Oxygen are shown in red, green, and blue, respectively.

Credit: NASA, ESA, and F. Summers, G. Bacon, Z. Levay, and L. Frattare (Viz 3D Team, STScI)

Acknowledgment: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

For more information, images, and videos: http://hubblesite.org/newscenter/archive/releases/2015/29/

Martin Stanford debates whether the power of the Catholic Church is as strong as ever as Pope Francis Tours America. And is the republican presidential campaign in crisis, confusion and disarray?

With:

Jessica Martinez,from the Pew Research Center.
Brad Blakeman, former senior adviser to George W Bush and a veteran of Presidential campaigns.
Jeffrey Robinson, Democrat Commentator.
Armstrong Williams, Conservative Commentator.

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Author Toby Young cannot tolerate litter – and says it’s down to all of us to grab a plastic bag and take matters into our own hands.

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Lib Dem supporters at the party’s conference were happy, despite not doing very well in the election.

Because the Webb Telescope will be launched into space and operate in an extremely cold environment, it needs to be built with materials that are both lightweight and stable. It needs to maintain its shape despite a range of temperatures. One of the science instruments on the telescope, NIRSPEC, or Near Infrared Spectrograph, is largely made from a ceramic known as silicon carbide. This episode of Behind the Webb takes us on a journey from the origins of this special material to how it’s incorporated into the next great space observatory.

The Volkswagen emissions revelations have re-ignited the petrol vs. diesel debate & raised questions over tests