diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/01.nature light/topic.en.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/01.nature light/topic.en.md
index 51f84e7c7..aeef6371a 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.Niv3/01.nature light/topic.en.md	
+++ b/01.curriculum/01.physics-chemistry-biology/03.Niv3/01.nature light/topic.en.md	
@@ -1,5 +1,7 @@
 ---
 title: 'The nature of light'
 slug: nature-light
+published: false
+visible: false
 ---