add grad seminar and social

Author: giankdiluvi

grad-seminars.markdown

@@ -38,6 +38,8 @@ The seminars will be in-person for the 2023–2024 academic year,
 but they will also be broadcast through Zoom.
 
 Here is a list of previous and future seminars:
+- Feb 16, 2024: *Coreset Markov Chain Monte Carlo* 
+by [Naitong Chen](https://www.stat.ubc.ca/users/naitong-chen)
 - Feb 7, 2024: *Career Fireside Chat*
 with [Johnny Xi](https://www.stat.ubc.ca/users/quanhan-johnny-xi),
 current PhD student at UBC Stats and former 

index.markdown

@@ -20,6 +20,11 @@ Enjoy!
 
 ## Recent news
 
+- **[February 13, 2024]** We're having a social hangout this Thursday, Feb. 16
+at Koerner's Pub! Meet us there at 5pm or walk with us from ESB.
+- **[February 12, 2024]** Come to this Friday's grad seminar,
+where [Naitong Chen](https://www.stat.ubc.ca/users/naitong-chen)
+is going to talk about his latest research.
 - **[February 9, 2024]** Mark your calendars! 
 The UBC/SFU Joint Statistics Seminar is taking place on March 9.
 More details [here](./ubc-sfu)!
@@ -51,4 +56,4 @@ There is also a separate
 maintained by the department.
 
 
-Last updated: February 9, 2024
+Last updated: February 13, 2024