Our closest aggregate measure of demand for the FSC products is the demand for Chain of Custody certificates, required of companies processing certified wood and fiber for products taken to retail markets with the logo.

FORBES: The Lorax and the Paper Giant

Until 2004 the Al-Rafiqs depended primarily on breeding-stock sales and processing and selling yarn and fiber for revenue.

FORBES: Golden Fleece

But fiber- and yarn-processing has improved since the first technical fibers were introduced decades ago.

WSJ: Polyester Is Back in Style at Alexander Wang, Talbot Runhof, Akris

This is done by examining the combined concentration of gray and white matter, or nerve cells and fiber tracts, in parts of the brain not normally used for verbal processing the hippocampus and cerebellum, normally associated with memory and motor learning.

WSJ: Wise Beyond Their Years: What Babies Really Know