After two weeks of bruising negotiations, officials from almost 200 countries agreed Saturday on universal, transparent rules that will govern efforts to cut emissions and curb global warming.
How to make Art from Slime We all know that playing with slime is one of the best things in the world. But, what do you do when you’re done. You can put it into a zip-lock bag and save it for later, or you can make Slime Art. What exactly is Slime Art? Well, … Continue reading
Flame-retardant chemicals can slow the spread of fire in homes and garments. But are these compounds naughty or nice? This week on Reactions, we ask whether old Saint Nick might want a flame-retardant suit…or choose to opt out.
University of Waterloo professor Donna Strickland has received her Nobel Prize in Physics during a ceremony Monday in Sweden. Source: Guelph native, U of W prof Donna Strickland collects Nobel Prize | CBC News
Add a drop of clear solution to a microscope slide containing a tiny piece of copper and create a beautiful, silver-branched holiday tree that grows before your very eyes!
Density differences cause objects to “float” in liquids that are already stacked on top of each other. With this science-magic trick, you’ll put a new spin on our famous Density Column demonstration. First, you’ll discover how to stack nine layers of liquids on top of each other. That alone looks really cool, but then you … Continue reading