diff --git a/nontech/health/mind/people/chernigovskaya.txt b/nontech/health/mind/people/chernigovskaya.txt
index 7ea3125f1..425df1946 100644
--- a/nontech/health/mind/people/chernigovskaya.txt
+++ b/nontech/health/mind/people/chernigovskaya.txt
@@ -1,5 +1,8 @@
 https://www.youtube.com/@brain-and_science/videos
 
+2023
+LiveArt - Danger of Prazdnost Civilization of 27:10
+    https://www.youtube.com/watch?v=OHhrk5ywAAo
 2021
 LiveArt - Chernigovskaya - Brain Possibilities ru of 2:05
     https://www.youtube.com/watch?v=DcrIBG_CDGI
diff --git a/pl/web/browsers/adblockers.txt b/pl/web/browsers/adblockers.txt
new file mode 100644
index 000000000..5863bc45b
--- /dev/null
+++ b/pl/web/browsers/adblockers.txt
@@ -0,0 +1,4 @@
+https://chrome.google.com/webstore/detail/youtube-adblock-by-friend/ehfcoplbhoohillcmlophcfghpeilfjc
+
+2023
+https://cybernews.com/best-ad-blockers/ad-blocker-for-youtube/