diff --git a/nontech/intelligence/people/artamonov.txt b/nontech/intelligence/people/artamonov.txt
index 7875c47a5..637adf768 100644
--- a/nontech/intelligence/people/artamonov.txt
+++ b/nontech/intelligence/people/artamonov.txt
@@ -67,6 +67,8 @@ Lezhava - New Crepostnye
     https://flibusta.is/b/646413/read
 
 2025
+DayMediaHolding - Artamonov - Lion XIV of 8:03
+    https://www.youtube.com/watch?v=fKSWCXz1NYM
 Geopolitburo - Safarov - Artamonov - Lion XIV of 58:02
     https://www.youtube.com/watch?v=47uh5AbZ1SA
 MirTV - Artamonov - India-Pakistan of 18:38
diff --git a/nontech/linguistics/people/sundakov.txt b/nontech/linguistics/people/sundakov.txt
index 9de12c599..497c45de3 100644
--- a/nontech/linguistics/people/sundakov.txt
+++ b/nontech/linguistics/people/sundakov.txt
@@ -4,6 +4,9 @@ https://www.wildberries.by/catalog/277216329/detail.aspx
 https://www.wildberries.by/catalog/47695114/detail.aspx
 https://www.wildberries.by/catalog/173787227/detail.aspx
 
+NationalTraditionRUHistory - All RU Lang School of p32
+    https://www.youtube.com/playlist?list=PLmpH2m_BirLYCjGNVLn381J0S1ElZFrnx
+
 Forgotten Misteries of Golden Language
 https://flibusta.is/b/665656
 Sudba Expluatation
diff --git a/nontech/politics/clubs/streetoftruth/devyatov.txt b/nontech/politics/clubs/streetoftruth/devyatov.txt
index 66fc76cd3..ea6d50f54 100644
--- a/nontech/politics/clubs/streetoftruth/devyatov.txt
+++ b/nontech/politics/clubs/streetoftruth/devyatov.txt
@@ -25,6 +25,11 @@ https://vk.com/video/@muzejkonstruirovaniyabudushchego
 https://www.youtube.com/@devyatov.nebopolitika/videos
 
 2025
+Devyatov - Not to Loose a Chance of 37:56
+    https://www.youtube.com/watch?v=YAw6KJ7Hed0
+    ! Daniil Galitskiy - First RU King (by Roman Pope) at 12xx
+    ! Ioann Grozny - First RU Tsar - venchan na tsarstvie (by Bizantine obryad) at 15xx
+    ! Alexandr Nevskiy - usynovlyon hanom Batyem (vnukom Chingizhana), 7 raz ezdil v Ordu
 Devyatov - Vrag Hityor i Kovaren of 25:56
     https://www.youtube.com/watch?v=-Dcu_2hcfrA
 TruthInstitute - Varshavskiy - Novitskiy - Devyatov - World Project from RU of 1:09:26
diff --git a/science/ai/free/claude.txt b/science/ai/free/claude.txt
deleted file mode 100644
index c15bfbd4d..000000000
--- a/science/ai/free/claude.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-http://claude.ai/
-
-2025
-https://habr.com/ru/news/885416/
diff --git a/science/ai/hosted/anthropic/claude.txt b/science/ai/hosted/anthropic/claude.txt
index 94516a5db..cbd812150 100644
--- a/science/ai/hosted/anthropic/claude.txt
+++ b/science/ai/hosted/anthropic/claude.txt
@@ -1,5 +1,13 @@
+http://claude.ai/
+
+https://www.anthropic.com/claude-code
 https://www.anthropic.com/index/claude-2
 
+https://docs.anthropic.com/en/docs/agents-and-tools/tool-use/web-search-tool
+
+2025
+https://www.anthropic.com/news/agent-capabilities-api
+https://habr.com/ru/news/885416/
 2024
 https://habr.com/ru/companies/bothub/articles/812659/
 2023
diff --git a/science/ai/hosted/anthropic/docs/presentations.txt b/science/ai/hosted/anthropic/docs/presentations.txt
new file mode 100644
index 000000000..9977f3346
--- /dev/null
+++ b/science/ai/hosted/anthropic/docs/presentations.txt
@@ -0,0 +1,3 @@
+2025
+Anthropic - Building Blocks for Tomorrow’s AI Agents 0:00 of 30:55
+    https://www.youtube.com/watch?v=oDks2gVHu4k
diff --git a/science/ai/hosted/anthropic/docs/whatsnew.txt b/science/ai/hosted/anthropic/docs/whatsnew.txt
new file mode 100644
index 000000000..5e61d243c
--- /dev/null
+++ b/science/ai/hosted/anthropic/docs/whatsnew.txt
@@ -0,0 +1,2 @@
+2025
+https://www.anthropic.com/news/claude-4