Update index.md (#12)

DCS course webpages - removed dead link
CS teaching labs - updated two dead links
Artsci timetable - updated dead link
Coursera - updated dead link

content/posts/Student Resources/index.md

@@ -18,25 +18,24 @@ showInMenu: true
 - [**Department of Computer Science Student Resources**](https://web.cs.toronto.edu/undergraduate/current)
   - The department provides many useful resources for undergraduate students. This page is a must-see for students looking to explore and succeed in computer science.
 - [CS Courseography - visualize the sequence of CSC courses](https://courseography.cdf.toronto.edu/graph)
-- [DCS Course webpages](https://www.teach.cs.toronto.edu/cs_courses/current_course_web_pages.html)
 
 ### Teaching Laboratories
 
-- [CS Teaching Labs Intro](https://www.teach.cs.toronto.edu/resources/intro_for_new_students.html)
-- [Using Teaching Labs](https://www.teach.cs.toronto.edu/using_cdf.html)
+- [CS Teaching Labs Intro](https://www.teach.cs.toronto.edu/resources/introduction-for-new-students-using-the-teach-cs-labs/)
+- [Using Teaching Labs](https://www.teach.cs.toronto.edu/using-labs/)
 - Students in CS major or specialist get Free 300 pages of printing in Bahen Teaching Labs each semester.
 
 ## Faculty of Arts & Science
 
 - [Faculty of Arts and Science Student Resources](https://www.artsci.utoronto.ca/current/academic-advising-and-support/online-resources-students)
 - [Computer Science courses and programs details](https://artsci.calendar.utoronto.ca/section/Computer-Science)
-- [Arts & Science timetable - search for course listings](https://timetable.iit.artsci.utoronto.ca/)
+- [Arts & Science timetable - search for course listings](https://ttb.utoronto.ca)
 
 ## University of Toronto
 
 - [Past Exams Repository](https://login.library.utoronto.ca/index.php?url=https://exams.library.utoronto.ca)
 - [UofT Writing Centers](https://writing.utoronto.ca/writing-centres/)
-- [Free Courses on Coursera](https://www.coursera.org/for-university-and-college-students/?utm_campaign=header-for-students&utm_content=corp-to-landing-for-students&utm_medium=coursera&utm_source=header-for-students-link)
+- [Free Courses on Coursera](https://onlinelearning.utoronto.ca/coursera-sgs/)
 - [Free Courses on Lynda/class central](https://www.classcentral.com/university/utoronto)
 - [UofTHub - information about courses](https://uofthub.ca/)