corn cobs

Duy Tan University students make tea from corn guts
Discarded corn cobs are used by a group of students from Duy Tan University (Da Nang), combined with some additives to make tea and supplement nutrition.
The doctor researched growing red mushrooms with rice husks
From corn cobs and rice husks, Dr. Tran Duc Tuong researched growing red fuschia mushrooms instead of rubber sawdust, giving higher yields and better biological activity.