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Oxygen

Green Marvels

Sometimes, the greatest journeys occur when we stand still. This is an important lesson from one of nature’s miracle workers ~ the tree. Trees have been around for about 400 million years.

Air pressure

A second incident in Korea of a disturbed passenger attempting to open the door of an aircraft in flight must raise concerns on the protocols followed by airlines in assessing the fitness of passengers to fly, and the procedures to be followed when such incidents occur.