this post was submitted on 26 Apr 2026
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Showerthoughts
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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted clever little truths, hidden in daily life.
Here are some examples to inspire your own showerthoughts:
- Both “200” and “160” are 2 minutes in microwave math
- When you’re a kid, you don’t realize you’re also watching your mom and dad grow up.
- More dreams have been destroyed by alarm clocks than anything else
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- The entire showerthought must be in the title
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- If your topic is in a grey area, please phrase it to emphasize the fascinating aspects, not the dramatic aspects. You can do this by avoiding overly politicized terms such as "capitalism" and "communism". If you must make comparisons, you can say something is different without saying something is better/worse.
- A good place for politics is c/politicaldiscussion
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Interesting, thanks for the enlightenment! I have admittedly not delved into it this much before...
Many people/news outlets present genetic data as "effects" or as percentage of a trait.
Like if someone scored 80% on a trait, people say genes determined 30% of that score.
Which is incorrect. But this interpretation is pushed all the time. I see it a lot with intelligence IQ score. Yes intelligence is genetic but only 30% of variability is predicted by genetics.
And if you think about it. That's only for people with an IQ of 70 to 130 (1 standard deviation).
For the really smart people and the really dumb people, genetics has a lower ability to predict variance.
The reason genes aren't as predictive as you would think they would be , is just like my example of height.
If the environment doesn't allow for potential to be fulfilled, it won't be.
Human development has what's called "sensitive periods" . Where if some function isn't learned by that age, it likely will never be mastered. Because the brain does a lot of pruning at young age. If you aren't using it, you lose it. This is why learning a second language is hard as an adult and easy as a child.
So taking that into account. You can see how limited genetics are for determining an outcome of a random child.
It certainly has an impact. But it is limited by the environment.
How many amazing geniuses are born every day in 3rd world countries that have the potential to solve big world problems who will never reach that level because the stimulation they need to reach that potential is unavailable to them?
Hmm, true. This all immediately brings back an old quote I hadn't thought of in a while, but now do remember: https://www.goodreads.com/quotes/99345-i-am-somehow-less-interested-in-the-weight-and-convolutions
It's a good quote and exactly my sentiment. Thanks for sharing