News tagged with roman times

Why crop rotation works

Crop rotation has been used since Roman times to improve plant nutrition and to control the spread of disease. A new study to be published in Nature's 'The ISME Journal' reveals the profound effect it has on enriching soil w ...

Jul 18, 2013
4.8 / 5 (5) 1 | with audio podcast

Methane emissions traced back to Roman times

Emissions of the greenhouse gas methane into the atmosphere can be traced back thousands of years in the Greenland ice sheet. Using special analytical methods, researchers from the Niels Bohr Institute, among ...

Oct 03, 2012
4.2 / 5 (10) 19 | with audio podcast

Cat litter to become an edible product?

Sepiolite is a lightweight porous mineral used in cat litter and other applications. The extraordinary properties of this clay make it a highly sought after mineral, despite its scarcity in the Earth's crust: ...

Jul 12, 2011
4.5 / 5 (2) 3 | with audio podcast