On May 31, a research team at the Montreal Heart Institute (MHI) became the first in Canada to implant a new cutting-edge biological prosthesis into a patient’s heart. The main purpose of the device is to substitute a faulty aortic valve—a valve that regulates blood flow between the heart’s main[Read More…]
Articles by Henry Fletcher
Deadly pollutant PM2.5 is lacking regulations worldwide
Particulate matter (PM) 2.5 is a group of airborne particles smaller than 2.5 micrometres found in ash, dust, vehicle exhaust, smoke, and sometimes the air we breathe. A micrometre is roughly one-millionth of a metre—about 30 times smaller than the average diameter of a human hair—and is only visible with[Read More…]