This is the 28th episode of the #stemng digest series where we bring to you some of the best posts under the #stemng tag in the past week. 

Thank you @justtryme90, the Co-Founder of SteemSTEM, for hanging out with us on discord yesterday :)

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For those that do not know yet, stemng is a sub-community of steemSTEM, a community-driven project which seeks to promote well-written and informative Science, Technology, Engineering and Mathematics posts by Nigerians on Steemit. The project involves submitting quality STEM-related posts to the steemSTEM management for upvoting and resteeming where applicable.

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More information about stemng activities are found [here](https://steemit.com/steemstem/@stemng/introducing-stemng-tag-a-sub-community-of-steemstem-for-nigerian-science-technology-engineering-and-mathematics-related-posts), while details of what it means to be part of steemSTEM can be found [here,](steemit.com/steemstem/@steemstem/being-a-member-of-the-steemstem-community) as well.

As we usually do, we have sifted through the stemng tag and even though there were several good posts to choose from, below are the posts that stood out for week #28.


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### Saturday: [Let's Talk About Exercise - The Magic Pill And How It Affects Our Brain](https://steemit.com/steemstem/@menoski/let-s-talk-about-exercise-the-magic-pill-and-how-it-affects-our-brain-73510c71fa85c)
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Here we are to kick off the 28th edition of the stemng digest, and @menoski's article was the first pick for this edition. We all know that exercise is good for us. The post looks at how exercise affects the brain.






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### Sunday: [THE MIND GAME OF STAGE-FRIGHT](https://steemit.com/stemng/@lawkay/the-mind-game-of-stage-fright)
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Ever scared half to death when called upon to address a crowd of people or just a group of people ion a room? You are not alone, it is the stage fright which @lawkay examines in his post.





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### Monday: [What makes wine cry? Let's explore from the first principle the "Tears of wine" - A case of Marangoni effect](https://steemit.com/stemng/@temitayo-pelumi/what-makes-wine-cry-let-s-explore-from-first-principle-the-tears-of-wine-a-case-of-marangoni-effect)
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Do you know that wines cry? Well, the "tears" has some scientific explanation and @temitayo-pelumi did justice to it by given an in-depth explanation of the phenomenon known as the Marangoni effect.










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### Tuesday: [A triangular approach to the reason plastic melt in hot oil but not in boiling water](https://steemit.com/stemng/@olasamuel/a-triangular-approach-to-the-reason-plastic-melt-in-hot-oil-but-not-in-boiling-water)
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The @olasamuel's article brings us the reason that makes plastic spoons to melt in hot oil whereas they do not replicate the same characteristic when dipped in a hot water.





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### Wednesday: [Carbon Monoxide Detectors: Why You Need Them In Your Homes & How They Work (Part 1)](https://steemit.com/science/@eurogee/carbon-monoxide-detectors-why-you-need-them-in-your-homes-and-how-they-work-part-1-a9c69f2a8dc69)

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Carbon dioxide related deaths are on the rise and @eurogee is here to spread the good news of carbon dioxide detectors. It is a simple, inexpensive device which could be a lifesaver in some situation.








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### Thursday : [Superfluidity: Liquid light as the 5th state of matter, its strange production at room temperature and relevance to physics](https://steemit.com/steemstem/@emperorhassy/superfluidity-liquid-light-as-the-5th-state-of-matter-it-s-strange-production-at-room-temperature-and-it-s-relevance-to-physics)
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The @emperorhassy wrote on the fifth state of matter- the Bose-Einstein Condensate (BEC). From there the article looks at the high-speed levitating trains that require superconducting elements to operate. 



 

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### Friday: [Telecommunication Principles #1: Microwave Transmission](https://steemit.com/stemng/@henrychidiebere/telecommunication-principles-1-microwave-transmission-f9dcdf3b8eb32)
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The last pick of the week is from @henrychidiebere. The principles of telecommunication as it concerns microwave transmission.





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### About the selection process
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The post for each day was selected based on consensus between the stemng management, in persons of @greenrun and @gentleshaid. The @gentleshaid made the week's selections, while @greenrun presented it.

Do not feel discouraged if we did not feature your post. There are rooms for improvement for everyone. Find time to read this [guideline](https://steemit.com/steemstem/@steemstem/helpful-guidelines-for-crafting-steemstem-content) if you wish to improve on your STEM-related writings.

Support for @stemng is welcome in any form, including upvotes, resteems and steem power delegations. Feel free to interact with fellow stemians in our [discord server](https://discordapp.com/invite/KrWykYs).

All curation rewards earned will be used to fund the @stemng project.

We will like to thank the following authors whose work was curated by the @steemstem under the #stemng tag:
@abumaryam @adetola @agbona @akiripromise @conas @cyprianj @damzxyno @emperorhassy @eurogee @gentleshaid @greenrun @henrychidiebere @joelagbo @lawkay @menoski @michaelwrites @obamike @olasamuel @pangoli @samminator @sciencetech @steematlas @stemng @teekingtv @teemike @temitayo-pelumi and @zoneboy.




Till next week!