For that, aluminum tubes were inserted from the street and a special chemical solution was poured into the ground and cooled by a refrigeration plant.

NPR: New York Expanding Nation's Biggest Transit Hub

The Global Chemistry Experiment (Water: A Chemical Solution), a cornerstone event of the International Year of Chemistry 2011, is now one of the largest chemistry educational experiments done.

UNESCO: Social and Human Sciences

He and his group confirmed this with a protein known as acylphosphatase, which they placed in a solution containing a chemical called trifluoroethanol.

ECONOMIST: Folding stuff

In the past we've seen a tongue-based computer interface or two, the BrainPort sight-via-papillae solution, and this week, at the American Chemical Society's annual meeting, researchers from the University of Illinois at Urbana-Champaign introduced a sensor about the size of a business card that detects and identifies fourteen common sweeteners -- including Splenda, Sugar in the Raw, and Sweet'n'Low.

ENGADGET: Electronic tongue tastes, identifies sweeteners so you don't have to

The method apparently deposits an invisible chemical on the blank paper, which can then be revealed with the correct developing solution.

BBC: Spy tactics revealed by book

And it is very much my hope to continue to work with all the various parties involved, including Turkey, to find a solution that brings peace to Syria, stabilizes the region, stabilizes those chemical weapons.

WHITEHOUSE: President Obama Holds a Press Conference with Prime Minister Erdogan | The White House