Excellent reporting on the referenced subject of discussion. Science journalism at its level best. Exemplary sourcing and a wide variety of quotes and commentary all combine for a splendid exposition on the topic du jour. The Author's simple and plain style, while a tad dry, nevertheless gets the point across with due urgency. Chockablock with information, interesting and informative. Prospective readers will come away better informed as to the notable progress being made in this particular area of research. An indubitably, and dare it be said, vital read. Four stars!