Fix Spam/TED talk link and Polar.usc.edu link.

Author: Chris Mattmann

classes/dsci550_2025a/index.html

@@ -600,8 +600,8 @@ <h2 class="section-heading">Schedule <font class="usc-color">(subject to change;
 					</ul>
            	        </td>
            	        <td>Resources:<br/>
-           	          <ul class="text-left"><li><a href="https://www.youtube.com/watch?v=_QdPW8JrYzQ">This is What happens when you reply to SPAM e-Mail. - James Veitch  - Ted Talk</a></li>
-						<li><a href="http://polar.usc.edu/">USC IRDS Polar Data Science website</a></li>
+           	          <ul class="text-left"><li><a href="https://www.ted.com/talks/james_veitch_this_is_what_happens_when_you_reply_to_spam_email">This is What happens when you reply to SPAM e-Mail. - James Veitch  - Ted Talk</a></li>
+						<li><a href="http://irds.usc.edu/polar.usc.edu/">USC IRDS Polar Data Science website</a></li>
 						</ul></td>
             	</tr>    
 

classes/dsci550_2025b/index.html

@@ -599,8 +599,8 @@ <h2 class="section-heading">Schedule <font class="usc-color">(subject to change;
 					</ul>
            	        </td>
            	        <td>Resources:<br/>
-           	          <ul class="text-left"><li><a href="https://www.youtube.com/watch?v=_QdPW8JrYzQ">This is What happens when you reply to SPAM e-Mail. - James Veitch  - Ted Talk</a></li>
-						<li><a href="http://polar.usc.edu/">USC IRDS Polar Data Science website</a></li>
+           	          <ul class="text-left"><li><a href="https://www.ted.com/talks/james_veitch_this_is_what_happens_when_you_reply_to_spam_email">This is What happens when you reply to SPAM e-Mail. - James Veitch  - Ted Talk</a></li>
+						<li><a href="http://irds.usc.edu/polar.usc.edu/">USC IRDS Polar Data Science website</a></li>
 						</ul></td>
             	</tr>