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Scientists go 'gaga' to find creatures beneath 600 feet of ice


http://en.youth.cn   2010-03-18 15:58:00

 

This video frame grab image provided by NASA, taken in Dec. 2009, shows a Lyssianasid amphipod, which is related to a shrimp, where a NASA team lowered a video camera to get the first long look at the underbelly of an ice sheet and a curious shrimp-like creature came swimming by and then even parked itself on the cable attached to the camera. In a surprising discovery that shakes the idea of where higher life can thrive, scientists for the first time found a shrimp-like creature and a jellyfish frolicking beneath a massive Antarctic ice sheet.

Six hundred feet below the ice where no light shines, scientists had figured nothing much more than a few microbes could exist.

That's why a NASA team was surprised when they lowered a video camera to get the first long look at the underbelly of an ice sheet in Antarctica. A curious shrimp-like creature came swimming by and then parked itself on the camera's cable. Scientists also pulled up a tentacle they believe came from a foot-long jellyfish.

"We were operating on the presumption that nothing's there," said NASA ice scientist Robert Bindschadler, who will be presenting the initial findings and a video at an American Geophysical Union meeting Wednesday. "It was a shrimp you'd enjoy having on your plate."

"We were just gaga over it," he said of the 3-inch-long, orange critter starring in their two-minute video. Technically, it's not a shrimp. It's a Lyssianasid amphipod, which is distantly related to shrimp.

 
source : China Daily     editor::
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