diff --git a/🧠-Educational.md b/🧠-Educational.md
index 4759a887..b3020ad9 100644
--- a/🧠-Educational.md
+++ b/🧠-Educational.md
@@ -65,7 +65,6 @@
 * [LearnOutLoud](https://www.learnoutloud.com/) - Documentaries / Courses
 * [Open Course](https://open-course.vercel.app/) - User-curated Courses
 * [ProfessorMesser](https://www.professormesser.com/) - IT Courses
-* [SmartYouTube](https://www.openculture.com/smartyoutube) - Edu YouTube Channels
 * [media.ccc.de](https://media.ccc.de/) - Educational Presentations
 * UC Berkeley Webcast Project - [Archive](https://archive.org/details/ucberkeley-webcast) or [lbry](https://odysee.com/@UCBerkeley)
 * [Video Lectures](https://videolectures.net/) - Lectures
@@ -309,7 +308,7 @@
 
 * 🌐 **[Awesome Datasets](https://github.com/awesomedata/awesome-public-datasets)** - Public Datasets
 * ↪️ **[Historical / Modern Maps](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/misc#wiki_.25BA_maps)** - Map Resources
-* ⭐ **[Worldometer](https://www.worldometers.info/)**, [Internet World Stats](https://www.internetworldstats.com/), [TheScaleOfLife](https://www.thescaleoflife.com/), [WorldBank](https://databank.worldbank.org/), [US Census](https://data.census.gov/), [DataUSA](https://datausa.io/), [Ozymandias](https://population.ozymandias.so/) or [UN Data](https://data.un.org/) - World Data & Statistics
+* ⭐ **[Worldometer](https://www.worldometers.info/)**, [TheScaleOfLife](https://www.thescaleoflife.com/), [WorldBank](https://databank.worldbank.org/), [US Census](https://data.census.gov/), [DataUSA](https://datausa.io/), [Ozymandias](https://population.ozymandias.so/) or [UN Data](https://data.un.org/) - World Data & Statistics
 * ⭐ **[Our World in Data](https://ourworldindata.org/)** - World Problem Database
 * ⭐ **[The Atlas of Economic Complexity](https://atlas.cid.harvard.edu/)** - Global Economic Growth Data
 * ⭐ **[Soar](https://soar.earth/)** - Digital Atlas
@@ -367,7 +366,6 @@
 * 🌐 **[/r/Chess Books](https://reddit.com/r/chess/wiki/books)** - Recommended Chess Books
 * ⭐ **[Scid vs. PC](https://scidvspc.sourceforge.net/)** - Learn / Practice Chess
 * [ChessLab](https://chesslab.me/) - Chess Lessons / [Discord](https://discord.com/invite/AA5G5f9wKC)
-* [Chess Factor](https://www.chessfactor.com/) - Chess Lessons
 * [List Study](https://listudy.org/en) - Chess Lessons
 * [Chessable](https://www.chessable.com/) - Chess Lessons
 * [TheChessWebsite](https://www.thechesswebsite.com/) - Learn / Practice Chess
@@ -628,7 +626,7 @@
 
 ## ▷ Biology
 
-* ⭐ **[Wikispecies](https://species.wikimedia.org/)**, [EOL](https://eol.org/), [A-Z Animal](https://a-z-animals.com/) or [The Catalogue of Life](https://www.catalogueoflife.org/) - Species Directories
+* ⭐ **[Wikispecies](https://species.wikimedia.org/)**, [A-Z Animal](https://a-z-animals.com/) or [The Catalogue of Life](https://www.catalogueoflife.org/) - Species Directories
 * ⭐ **[OneZoom](https://www.onezoom.org/)** - Tree of Life Explorer
 * ⭐ **[Lost and Found Nature](https://www.lostandfoundnature.com/)** - Re-Discovered Animals / Plants
 * ⭐ **[Open Source Society University (OSSU)](https://github.com/ossu/bioinformatics)** - Bioinformatics Roadmap
@@ -749,7 +747,6 @@
 * [Tandem](https://www.tandem.net/)
 * [Conversation Exchange](https://www.conversationexchange.com/)
 * [RhinoSpike](https://rhinospike.com/)
-* [Conversly](https://www.conversly.ai/)
 * [Lang-8](https://lang-8.com/)
 * [LangX](https://Langx.io/)
 * [Polyglot](https://polyglotclub.com/)
@@ -763,7 +760,6 @@
 * [youglish](https://youglish.com/) or [YouDict](https://youdict.co/) - YouTube Word Pronunciations
 * [Forvo](https://forvo.com/) or [HowJSay](https://howjsay.com/) - Pronunciation Dictionary
 * [Xuga](https://eng.ichacha.net/mpr/xuga.html) - Word Pronunciation Tool
-* [Real-time Pronunciation Feedback](https://real-time-pronunciation.web.app/) - Word Pronunciation Check
 * [The Internet TESL Journal](http://iteslj.org/) - Resources for EFL and ESL Teachers
 * [EFSET](https://www.efset.org/) - English Proficiency Test
 * [Spellcheck](https://spellcheck.xyz) - English Spelling Game
@@ -1034,7 +1030,6 @@
 * [Lexicool](https://www.lexicool.com/) - Dictionary
 * [Vocabulary](https://www.vocabulary.com/) - Dictionary
 * [TheFreeDictionary](https://www.thefreedictionary.com/) - Dictionary
-* [WordSense](https://www.wordsense.eu/) - Dictionary
 * [Dictionary](https://www.dictionary.com/) - Dictionary
 * [Spellcheck](https://www.spellcheck.net/) - Dictionary
 * [Webopedia](https://www.webopedia.com/) or [TechTerms](https://techterms.com/) - Tech Dictionary