Smell test may help identify people at Alzheimer's risk
Researchers at Massachusetts General Hospital (MGH) in the US have developed a method to identify those at risk for Alzheimer's disease on the basis of their ability to recognise and recall odours.
Nov 16, 2016, 00:32 AM ISTNew polymer could purify water in seconds
Scientists have developed a new reusable polymer that can remove pollutants from flowing water within seconds, just like air fresheners trap invisible air pollutants in the home and remove unwanted odours.
Dec 26, 2015, 12:41 PM IST