Volcanic eruptions eject sulfur dioxide gas high into the atmosphere, forming sulfate aerosol chemically and block the incoming sunlight like a parasol. 

Fresh water isn’t unlimited. Rainfall isn’t predictable. And plants aren’t always thirsty.

NASA’s Aqua satellite provided a visible image of Tropical Storm Danas moving through the East China Sea on July 19, 2019.

Healthcare in low- and middle-income countries is poorly prepared for the increasing number of high blood pressure (ie hypertension) disorders. 

The unrelenting deforestation of the Amazon region could lead to a dramatic increase to the risk of destructive wildfire outbreaks, research has shown.

Seeing was believing until technology reared its mighty head and gave us powerful and inexpensive photo-editing tools. 

Ever stand up too quickly and see stars? Fainting from low blood pressure can be dangerous for astronauts as well as for patients.

The newest cancer treatment on the market owes something to one of the earliest advocates for modern science. 

They look like smears of pink bubblegum on the rocks off British Columbia’s coast, indistinguishable from one another.

The towering, hundreds of years old Sitka spruce trees growing in the heart of Vancouver Island’s Carmanah Valley appear placid and unchanging.