Researchers developed a new system for turning used coffee grounds into a paste, which they use to 3D print objects, such as packing materials and a vase. They inoculate the paste with Reishi mushroom ...

Only 30% of a coffee bean is soluble in water, and many brewing methods aim to extract significantly less than that. So of ...

A good compost pile needs materials high in nitrogen and high in carbon. Nitrogen materials include kitchen scraps and plant ...

D.C. is currently in the process of getting compost bins in every ward, with dozens scattered throughout the city. Users can access them by simply using their p ...