David discovers the omnipresence and properties of air while contemplating a feather that floated to the ground. He learns ...

It’s pretty easy to believe that solids and liquids are made up of atoms and molecules, but it may be harder to accept that air is also made of these tiny particles. A good example that shows that air ...

In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world ...

Particulate Matter in the air (or PM) can be very bad for our health. Staying away from traffic as much as possible is one way to keep our exposure levels down, but what about in our actual houses?

If you're looking for easy activities to keep kids busy on a rainy day, you're in the right place. Make the most of the weather with my collection of easy ...

For the first time, scientists have found that electric sparks can be guided using ultrasonic waves. A recent study by ...

In 1942, Sigmund Rascher and others conducted high-altitude experiments on prisoners at Dachau ... sickness resulted from the formation of tiny air bubbles in the blood vessels of a certain ...

Terahertz radiation (THz), electromagnetic radiation with frequencies ranging from 0.1 and 10 THz, is central to the ...

Throwing a cup of boiling water into the frigid air is a viral social media trend that appears during the winter when temperatures plummet across North America. However, when the conditions are right, ...

Speaking of beautiful, one of the cold-weather experiments recommended by Environment and Climate Change Canada involves ...