Thirst: Our brains tell us when to stop drinking

Our bodies keep a tight check on our water levels to stop us from dehydrating. But how do we know when we are thirsty and when we have drunk enough?

Fluorescent Test System To Hunt For Deadly Bacteria

You can’t see them, or smell them or taste them. They can be in our water and in our food, multiplying so rapidly that conventional testing methods for detecting pathogens such as E.coli, Salmonella and Listeria come too late for the tens of thousands of Canadians who suffer the ill effects of these deadly bacteria…