by msander | Jul 24, 2018 | All Science Teachers
Fewer children in the United States are getting vaccinated. That’s bad news for those kids, and also for public health in general. Often, the response is to argue and debate and get angry at people who are we see as making terrible, irrational decisions. Instead of...
by msander | Jul 23, 2018 | Gr. 11-12 Biology
The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does this seemingly counterintuitive...
by msander | Jul 22, 2018 | Gr 9-10 Science, Gr. 11-12 Physics
A head-vaporizing laser with a perfect wavelength detecting sub-proton space-time ripples. Huge thanks to Prof Rana Adhikari and LIGO: http://ligo.org Here’s how he felt when he learned about the first ever detection: https://youtu.be/ViMnGgn87dg Thanks to...
by msander | Jul 20, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
Ever wonder how lightning works? Scientists are still figuring it out, but what we do know is fascinating. Learn about positive and negative lightning, red sprites, blue jets, and ball lightning in this episode of SciShow! Hosted by: Michael...
by msander | Jul 19, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
The resonant frequencies of your vocal tract change when you breathe in a lungful of helium. Now, here’s how and why helium affects your voice. Source: Why Does Helium Affect Your Voice?
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