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index 02c2d34..d42fdcf 100644
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@@ -5,7 +5,7 @@ Humanoid clones are a reality since 2017 -> Dolly
 https://www.sciencemag.org/news/2018/01/these-monkey-twins-are-first-primate-clones-made-method-developed-dolly
   
 Humanity increased fifteen-fold over the last 500 years. Forecasts of how this continues predict most different directions - if we're actually 5 billion more people in 50 years we need strategies, of how to feed all them.
-https://courses.lumenlearning.com/boundless-biology/chapter/human-population-growth/
+https://courses.lumenlearning.com/boundless-biology/chapter/human-population-growth/  
 ![Human population](https://s3-us-west-2.amazonaws.com/courses-images/wp-content/uploads/sites/1842/2017/05/26234618/550px-Population_curve.svg_.png)
 
 Research about the CRISPR technology