These white trails visible behind airplanes are called contrails or simply condensation trails (a contraction of the English term "condensation trails"). Basically, it happens when...
Diamonds are precious mainly because they are rare, truly rare. Unlike gold, which is scattered everywhere, diamonds are formed under very precise conditions: extreme temperatures...
The sounds that reach our ear trigger the vibration of tiny sensory cells called hair cells. Each of them has small hair-like structures at their...
The characteristic smell of freshly cut grass mainly comes from a substance called cis-3-hexenal. This compound is produced when the grass blades are damaged: in...
Gills are somewhat like lungs for us, except that they work underwater. They are generally made up of thin filaments that are highly vascularized with...
Located on the Canadian Atlantic coast, between New Brunswick and Nova Scotia, the Bay of Fundy is approximately 270 kilometers long and has an average...
The story of the illuminated cross dates back to 1643, when the founder of Montreal, Paul de Chomedey de Maisonneuve, promised to install a cross...
Water boils when its vapor pressure (the pressure exerted by evaporating molecules) reaches the ambient atmospheric pressure. At sea level, this atmospheric pressure is about...
The Great Lakes represent about 20% of the world's surface freshwater reserves. Not bad, right? On the Canadian side, this simply means a crucial source...
Canada is fortunate to have a particularly rich subsoil in kimberlite, a volcanic rock in which diamonds are found naturally. These deposits are mainly concentrated...