Over the past few months, we’ve been asking you to send in the photos and images that best reflect the important and intriguing work that you do. Here, we share some of the best, which we feel visually capture the wonderful diversity that exists within the world of analytical science.
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Submitted by Samuel Kounaves, Department of Chemistry, Tufts University, USA
“Analytical laboratories” in Beacon Valley in Victoria Land, Antarctica.
Submitted by Kaitlin Keegan, Dartmouth College, USA
Here, I am examining the compressed snow layers in the top two meters of the ice sheet at Summit, Greenland, just after the widespread melting event of July 2012. I wanted to know how far meltwater percolated into the snowpack at this site.
We used inductively coupled plasma mass spectrometry (ICP-MS) and a continuous flow analysis system to measure black carbon as a proxy of forest fires in Summit shallow ice cores and also on a near-surface sample of firn (compressed snow) core containing the 2012 melt layer.
Submitted by Jacob Lowenstern, United States Geological Survey
While sampling waters from a hot pool at Yellowstone in March 2007, I stumbled upon this dragonfly, replaced in its entirety by amorphous silica precipitated from the water. The “fossilized” insect didn't stay visible for long, becoming buried over subsequent years by further deposits.
Submitted by Lawrence Berkeley National Laboratory, USA
Testing a military prototype field version of a laser ablation-based explosives detection system at the Yuma Proving grounds in 2008. The detector was able to discriminate with 85 percent accuracy whether samples contained residues of several types of explosives from 30–50 meters away.
Submitted by the Desert Research Institute, USA
Ice inside the drill core barrel following extraction from the West Antarctic Ice Sheet. Desert Research Institute research professor Joe McConnell’s projects include ice core chemistry-based studies in Greenland, Antarctica, and the Americas.
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