by msander | Apr 15, 2019 | Gr 9-10 Science
A certain viral video may have brought it to your attention that blowing out candles on a birthday cake might be gross, but exactly how gross depends on who’s blowing the candles out. Hosted by: Olivia Gordon SciShow has a spinoff podcast! It’s called...
by msander | Dec 7, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
The labels always read, “Kills 99.99% of Germs!” but does the science of hand sanitizers back it up? Today we’re taking a closer look at what this goo is made of, and just how effective it really is against viruses and bacteria. Find us on all these...
by msander | Mar 6, 2017 | Gr. 11-12 Biology
For several centuries, people though diseases were caused by wandering clouds of poisonous vapor. We now know that this theory is pretty ridiculous, and that diseases are caused by specific bacteria. But how did we get to this new idea of germ theory? Tien Nguyen...
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