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X-rays

The portion of the electromagnetic spectrum that has a very short wave length. It has a wavelength longer than gamma rays, yet shorter than visible light. X-rays can penetrate various thicknesses of all solids, and when absorbed by a gas, can result in ionization.

Xenon

An inert gas that occurs at extremely low concentration in the atmosphere.

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Cyclone Winston: Fiji struggles to rebuild six months after storm devastated the country

18:23 EST

Victims of Cyclone Winston in Fiji are struggling to rebuild their lives six months after the category five storm devastated large parts of the country.

Perth ending winter on a wet note

17:45 EST

Perth could see the heaviest rain in more than a month tonight as a late-winter front hits the southwest.

Drought's devastating impact on outback Queensland towns to be studied for new report

16:01 EST

For people living in outback Queensland, the impact of the ongoing drought can be seen everywhere.