Polar Ice Sheets Melt Faster
http://www.abc.net.au/science/articles/2012/11/30/3644829.htm?topic=enviro
Higher temperatures over the past two decades have caused the polar ice sheets to melt at an accelerating rate, contributing to an almost half-inch rise in global sea levels, according to the most comprehensive study done so far.
Study challenges presumed age of Grand Canyon
http://www.sfgate.com/news/science/article/Study-contends-Grand-Canyon-as-old-as-dinosaur-era-4077720.php
The Grand Canyon may be much older than widely believed, according to a new study that challenges the view that the American landmark was born 5 million or 6 million years ago.
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