Update README.md

Author: nicolevasilevsky

README.md

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 A collection of past presentations and posters from the BD2K Open Educational Resources project and Skill Courses.
 
 ## Presentations:
-- Nicole Vasilevsky (2018): **Teaching Data Science to Undergraduate Students** From Evidence to Scholarship Conference, Reed College, Portland, OR. May 16, 2018. 
+- Nicole Vasilevsky (2018): **[Teaching Data Science to Undergraduate Students](https://www.slideshare.net/NicoleVasilevsky/teaching-data-science-to-undergraduate-students)** From Evidence to Scholarship Conference, Reed College, Portland, OR. May 16, 2018. 
 - Nicole Vasilevsky (2017): **[Data Science Resources for Anyone, Anywhere: Development of Skills Courses and Open Educational Resources](https://figshare.com/articles/Data_Science_Resources_for_Anyone_Anywhere_Development_of_Skills_Courses_and_Open_Educational_Resources/5056921)** Medical Library Association Conference, Seattle, WA, May 30, 2017. figshare: https://doi.org/10.6084/m9.figshare.5056921.v1
 - Vasilevsky, Nicole (2017): **[Data Science Resources for Anyone, Anywhere.](https://figshare.com/articles/Data_Science_Resources_for_Anyone_Anywhere/4892030)** NN/LM Pacific Northwest Region webinar. April 19, 2017. figshare:
 https://doi.org/10.6084/m9.figshare.4892030.v1