Add datasets section

README.md

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 [![Check Resources](https://github.com/erictleung/review/actions/workflows/test.yml/badge.svg)](https://github.com/erictleung/review/actions/workflows/test.yml)
 
-Review and resource materials from around the internet for data science, with applications in bioinformatics and computational biology and other domains, that I've found useful.
+Curated resource materials from around the internet for data science, with applications in bioinformatics and computational biology and other domains, that I've found useful.
 
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   - [Specific Topics](#specific-topics)
   - [Interactive Articles](#interactive-articles)
   - [Data-related](#data-related)
+- [Datasets](#datasets)
 - [General mathematics](#general-mathematics)
 - [Linear Algebra](#linear-algebra)
 - [Network Science](#network-science)
@@ -180,6 +181,16 @@ Review and resource materials from around the internet for data science, with ap
 - [Excel Easy](https://www.excel-easy.com/) - Excel tutorials and tips on functions and more.
 
 
+## Datasets
+
+> Biased toward real-world datasets that can be used to practice data science skills.
+
+- [Our World in Data](https://ourworldindata.org/) - Research and data to make progress against the world’s largest problems.
+- [#tidytuesday](https://github.com/rfordatascience/tidytuesday) - Weekly real-world datasets for the Data Science Learning Community to practice their data skills and data visualizations for collective learning.
+- [Federal Reserve Economic Data (FRED)](https://fred.stlouisfed.org/) - Download, graph, and track 825,000 US and international time series from 114 sources for economic data since 1991.
+- [Databases, Tables & Calculators from the U.S. Bureau of Labor Statistics](https://www.bls.gov/data/)
+
+
 ## General mathematics
 
 > Resources generally related to learning and understand mathematical foundations