diff --git a/Example-Presentations.md b/Example-Presentations.md
index 5c1a830..7cca407 100644
--- a/Example-Presentations.md
+++ b/Example-Presentations.md
@@ -97,4 +97,5 @@ Feel free to edit this page and add your own presentations below:
  * [A Short Visual History of Global Health
 ](http://ourworldindata.org/roser/presentation/online/ImprovingHealthAroundTheWorld/ImprovingHealthAroundTheWorld.html#/title-slide) 
  * [The Visual History of the Rise of Political Freedom and Decrease in Violence](http://ourworldindata.org/roser/presentation/online/RiseOfPoliticalFreedomAndTheDecreaseOfViolence/RiseOfPoliticalFreedomAndTheDecreaseOfViolence.html#/title-slide)
- * [The Visual History of Decreasing World Hunger and Improving Food Provision](http://ourworldindata.org/roser/presentation/online/DecreasingWorldHungerandImprovingFoodProvision/DecreasingWorldHungerandImprovingFoodProvision.html#/title-slide)
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+ * [The Visual History of Decreasing World Hunger and Improving Food Provision](http://ourworldindata.org/roser/presentation/online/DecreasingWorldHungerandImprovingFoodProvision/DecreasingWorldHungerandImprovingFoodProvision.html#/title-slide)
+ * [A very brief introduction to proteins](http://softsimu.net/Talks/proteins-brief.html) by Mikko Karttunen
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