Heat waves are increasing across Canada — and hotter nights are also dangerous

When it comes to climate change, there is one fairly well-understood extreme that will affect humans in the decades to come: heat.  Scientists know that climate change will see events like hurricanes, droughts, floods and heat waves increase in frequency or intensity. But...

How hot is too hot for humans? Understanding wet-bulb temperatures

As an eastward-moving heat dome continues to envelop Western Canada, resulting in a pressure cooker of a heat wave that has produced the highest temperatures ever recorded in the country, some Canadians might be pondering what future summers could look like.But in the wake...

How to make sense of the new findings on ‘forever chemicals’ in makeup

People who wear makeup such as lipstick or mascara may be absorbing or licking up potentially harmful ingredients that hang around for decades in the environment, according to a new study by researchers in the U.S., Canada and Switzerland.Those ingredients,...

Cosmetics and ‘forever chemicals’: Breaking down new findings on PFAS in makeup

People who wear makeup such as lipstick or mascara may be absorbing or licking up potentially harmful ingredients that hang around for decades in the environment, according to a new study by researchers in the U.S., Canada and Switzerland.Those ingredients,...

Not available in Canada: A look at COVID-19 vaccine tech from China, India and Cuba

COVID-19 vaccines developed in China are already being used in several countries around the world. And some developed in India, Kazakhstan and Cuba have been in use domestically for their own populations even before completion of Phase 3 trials. Vaccines being...