Dirty Trees Shape Earth’s Hydrologic and Carbon Cycles

As rain falls on forest canopies, its journey begins. As raindrops reach Earth, they ferry creatures and contaminants to soils and streams below. Researchers have only recently begun to explore the fine details of this journey, as evidenced by a session on “Precipitation Partitioning by Vegetation” at AGU’s virtual Fall Meeting 2020. When […]

Ancient Egyptian hoard of counterfeit ‘dirty money’ unearthed

A shortage of silver caused by the collapse of leading Bronze Age civilizations around the eastern Mediterranean about 1200 B.C. resulted in the original “dirty money” — several hundreds of years before coins had been invented. The ancient counterfeiting was revealed by archaeologist Tzilla Eshel, then a doctoral student at the University of Haifa, who […]