diff --git a/nontech/ortho/people/mazhuko.txt b/nontech/ortho/people/mazhuko.txt
index 10900b7ad..370af9bfa 100644
--- a/nontech/ortho/people/mazhuko.txt
+++ b/nontech/ortho/people/mazhuko.txt
@@ -22,6 +22,8 @@ people
     ! his students - S.S Averintsev, V Bibihin
 
 2024
+Mazhuko - QA 108 - Family Song of 7:09
+    https://www.youtube.com/watch?v=KaM3vGUYirc
 Mazhuko - Tearing Piety of 11:02
     https://www.youtube.com/watch?v=W2-cLN4_M3w
 Mazhuko - QA 181 - Toxic Orthodoxy of 17:08
diff --git a/science/analysis/courses.txt b/science/analysis/courses.txt
index 11aab4180..ee8485340 100644
--- a/science/analysis/courses.txt
+++ b/science/analysis/courses.txt
@@ -13,6 +13,8 @@ IFMO - Trifanova
     https://vk.com/video/playlist/-211870343_15
 IFMO - Semenova
     https://www.youtube.com/playlist?list=PLd7QXkfmSY7bt8pTU_tESfWJnLyn9EQRt
+HedgehogInMatan - VMK MSU - Sadovnichaya of p57
+    https://www.youtube.com/playlist?list=PLhe7c-LCgl4LVzuvJT2q_KYyjdI9HJqGN
 2023
 IFMO - Kohas - Analysis
     https://www.youtube.com/watch?v=JwHRjKuwWsw&list=PLd7QXkfmSY7YJ296WE1jwGNOsCThzwfJQ
diff --git a/science/math/people/savvateev.txt b/science/math/people/savvateev.txt
index edc0d8db6..7a61b6d8b 100644
--- a/science/math/people/savvateev.txt
+++ b/science/math/people/savvateev.txt
@@ -18,7 +18,7 @@ https://www.youtube.com/c/PunkMathematics
     https://www.youtube.com/channel/UC3XSyhxuKYZzzqdECAkJLIw/playlists
 
 2024
-NativeSchool - Denis - Learning Motivation Alchemy 22:00 of 50:49
+NativeSchool - Denis - Learning Motivation Alchemy of 50:49
     https://www.youtube.com/watch?v=1jfe95Yrxnk
 NDay - Savvateev - EGE is not a Main Problem of 58:00
     https://www.youtube.com/watch?v=1_w_BXKZMTk