diff --git a/science/ai/agent/free/langchain/langgraph.txt b/science/ai/agent/free/langchain/langgraph.txt
index c5f605151..f27bcc02f 100644
--- a/science/ai/agent/free/langchain/langgraph.txt
+++ b/science/ai/agent/free/langchain/langgraph.txt
@@ -6,6 +6,8 @@ LangChain - LangGraph of p23
     https://www.youtube.com/playlist?list=PLfaIDFEXuae16n2TWUkKq5PgJ0w6Pkwtg
 
 2025
+Digitalize - Agents with LangChain, LangGraph of 48:35
+    https://www.youtube.com/watch?v=KFgwXXWT7sQ
 freeCodeCamp - LangGraph Complete Course for Beginners – Complex AI Agents 0:00 of 3:09:51
     https://www.youtube.com/watch?v=jGg_1h0qzaM
 2024
diff --git a/science/ai/docs/critice.txt b/science/ai/docs/critice.txt
index bd5b484b8..58d04ce5b 100644
--- a/science/ai/docs/critice.txt
+++ b/science/ai/docs/critice.txt
@@ -1,3 +1,10 @@
+2025
+https://www.lexalytics.com/blog/stories-ai-failure-avoid-ai-fails-2020
+https://www.theguardian.com/technology/2024/jan/20/dpd-ai-chatbot-swears-calls-itself-useless-and-criticises-firm (этот мне нравится прямо)
+https://www.reuters.com/sustainability/boards-policy-regulation/italys-data-watchdog-fines-ai-company-replikas-developer-56-million-2025-05-19
+https://www.moin.ai/en/chatbot-wiki/chatbot-fails
+https://www.evidentlyai.com/blog/ai-failures-examples
+https://www.answerconnect.com/blog/mission-values/ai-customer-service-disasters
 2024
 https://ludic.mataroa.blog/blog/i-will-fucking-piledrive-you-if-you-mention-ai-again/
     https://habr.com/ru/articles/823584/