So,the wide and narrow ring widths of the chronology that we developed in Asia provide us with a measure of monsoon variability."

VOA: special.2010.05.25

Ring leader Abdullah Ahmed Ali was found guilty along with colleagues Assad Sarwar and Tanvir Hussain.

VOA: standard.2009.09.07

Using a hollow tube, they drill into the tree and extract a 5-mm wide cylinder that shows each ring starting with the most recent, just under the bark.

VOA: standard.2010.04.05