CORN cobs, which usually end up in a bin or compost heap after the kernels are eaten, can be used to clean our water.
In a recent study, Dr Low Wein Fei (pic), Ee-Yern Lee, Fung-Lung Chang and Nur Harniza Abdul Rahman from the INTI International University Faculty of Engineering and Quantity Surveying (FEQS) found that corn cobs have the potential to remove heavy metals from contaminated or polluted water.
