Reducing cadmium levels in cacao

Chocolate is almost universally adored. But few know the complicated process of how cacao beans become chocolate. Did you know cacao tree farming is done mostly by small-scale low-income farmers in Latin America, particularly ...

Lower carbon dioxide emissions on the horizon for cement

Concrete is the most widely used building material in the world. As a key component of concrete, cement—and more specifically its production process—is a significant contributor to climate change. Every year, over 4 billion ...

Strontium isotope maps are disturbed by agricultural lime

Strontium isotopes are frequently used in archaeological studies to establish the provenance and migration history of prehistoric people and artifacts. Many of these studies may be based on incorrect data. A Danish study ...

Renaissance for artisanal mortar

To adapt mortar to new building materials and industrial methods, the content in walls and plaster changed during the 20th century. The change meant that knowledge of historical materials and methods for producing mortar ...

page 1 from 3