layer

Scientists have discovered a previously unknown layer lurking in the human eye. The newfound body part, dubbed Dua's layer, is a skinny but tough structure measuring just 15 microns thick, where one micron is one-millionth of a meter and more than 25,000 microns equal an inch. It sits at the...

Huge hole opens in Arctic ozone layer By Margaret Munro, Postmedia News - October 2, 2011 View of the Ozone layer shot in January 1996 by European Space Agency (ESA) satellite ERS-2 taking part in the 'Gome' project surveying the ozone layer Photograph by: File photo, AFP A massive...