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Cohen Lab
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Reflecting on the past three weeks
While driving out to the transect on our last day of
water sampling, I looked west and rain showered from an ominous cloud covering
the sky. It seemed as though we would be spending the day drenched in a
combination of fresh and saltwater. As we moved furth...
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Carbon Counting
I like to think of carbon as the currency of coral reefs. The bank account of (inorganic) carbon in seawater is adjusted by a number of different processes - respiration and CaCO 3  dissolution make deposits, photosynthesis and CaCO 3  precipitation make wi...
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The first of its kind
Today’s guest blogger
is Josh Sokol, science-journalist-in-training at the MIT Graduate Program for
Science Writing. Josh is traveling with the Cohen lab in Palau to report on
their research. It’s about two in the afternoon, raindrops from a sun shower
are ...
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Coral time-stamps
The clock started ticking on April 27, 2013. That's when Hannah and I put "time-stamps" on twenty coral colonies around Palau. Staining a coral colony in Palau in April, 2013.  Photo credit: Hannah Barkley To a diver's eye, only the living surface of a cora...
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A delicate balance
Severe bioerosion of a living coral colony in Panama. In this example, the living coral  (which is green) is infested by bioeroding bivalves (the key-shaped holes in the  skeleton). Photo credit: Hannah Barkley Coral reefs exist in a delicate balance where ...
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The expedition to... find scaffolding
Benchtop of programmed instruments, ready for  deployment! Three days into our expedition, everything is right on track and spirits are high! But we aren't exactly on the tropical paradise trip that you might expect. Every morning, hordes of tourists flock ...
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Back to the field!
View from PICRC  dock during a  lunchtime break We are back in Palau for our 2015 expedition! Tom and Pat just arrived in Palau, while Katie, Andrea, and Bill are arriving tomorrow night. I think everyone is really excited about this trip because it is goin...
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