Tag Archive for layer

Scientists Discover Layer of Liquified Molten Rock in Earth’s Mantle

Photo: Orange-colored area enclosed by dashed line denotes recently discovered magma layer. Credit: Scripps Institution of Oceanography. SOURCE Terra Daily.

From Terra Daily

by Staff Writers
Arlington VA (SPX) Mar 27, 2013

Scientists have discovered a layer of liquified molten rock in Earth’s mantle that may be responsible for the sliding motions of the planet’s massive tectonic plates. The finding may carry far-reaching implications, from understanding basic geologic functions of the planet to new insights into volcanism and earthquakes.

The research was funded by the National Science Foundation (NSF), and is reported in this week’s issue of the journal Nature by Samer Naif, Kerry Key, and Steven Constable of the Scripps Institution of Oceanography (SIO), and Rob Evans of the Woods Hole Oceanographic Institution. . . . Read Complete Report

Is the ozone layer on the road to recovery? (W/Video Report)

Photo: Ozone hole over Antarctica in 2010. CREDIT: NASA (Public Domain)

From Terra Daily by Staff Writers
Paris (ESA) Feb 13, 2013

Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth’s ozone has been strengthening following international agreements to protect this vital layer of the atmosphere.

According to the ozone sensor on Europe’s MetOp weather satellite, the hole over Antarctica in 2012 was the smallest in the last 10 years. . . . Read Complete Report

From youtube uploaded by krackerjackers

Uploaded on Nov 22, 2010

Describes the process of Ozone formation, depleation, underlines some pollutants and there effects, Also identifies some alternatives to CFCs.