Of money

Credit: The silver hoard from Maras ad-Din, circa 600 BC - Photograph by Dr. Shai Bar

New research conducted at the University of Haifa: Silver was used as a means of payment in the Land of Israel more than a thousand years before the invention of currency

Analysis of dozens of silver hoards from the Bronze and Iron Ages and 230 chemical samples shows an established weight economy, standards, and even counterfeits – from the 17th century BC to the 6th century BC; led by Dr. Tzilla Eshel
Roman gold coins. From Wikipedia

19th century economics: monetary management in the Roman period

A transmission electron microscope (TEM) image of silver nanoparticles formed from silver ions in a solution containing humic acid. The acid tends to envelop the nanoparticle (visible in the image as a light background) and prevent it from accumulating together with other nanoparticles.

New evidence for natural synthesis of silver nanoparticles

Prof. Aharon Gadenkan, Department of Chemistry, Bar-Ilan University

Anti-bacterial paper coating

LCD monitors no longer die in vain

Waste from LCD TVs to prevent bacterial infections

Brazilian money, from Wikipedia.

What makes us risk our money?

Prof. Dan Zakai from Tel Aviv University explains why it is important to know what is the cause of our tendency to take risks? About psychology, health and our tendency to risk investments