diff --git a/_quarto.yml b/_quarto.yml
index da4b8dc..7dbc416 100644
--- a/_quarto.yml
+++ b/_quarto.yml
@@ -11,7 +11,7 @@ website:
   twitter-card: true
   site-url: https://juliantao.github.io/big
   page-footer:
-    left: "\\©2013-2022 Julian Tao"
+    left: "\\©2013-2024 Julian Tao"
     right: 
       - text: "Built with Quarto"
         href: "https://quarto.org/"
diff --git a/docs/about.html b/docs/about.html
index 7c6264a..2a7e7a1 100644
--- a/docs/about.html
+++ b/docs/about.html
@@ -712,7 +712,7 @@ <h2 class="anchored" data-anchor-id="attribution-copyright-and-license">Attribut
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/communication.html b/docs/communication.html
index 6fbab5e..b16e909 100644
--- a/docs/communication.html
+++ b/docs/communication.html
@@ -644,7 +644,7 @@ <h1 class="title">Bio-inspired Underground Communication</h1>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/index.html b/docs/index.html
index ca740a7..93c0506 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -697,7 +697,7 @@ <h1 class="title">Bio-inspired Geotechnics</h1>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/news.html b/docs/news.html
index 1f2820a..507a858 100644
--- a/docs/news.html
+++ b/docs/news.html
@@ -700,7 +700,7 @@ <h2 class="anchored" data-anchor-id="press">Press</h2>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/outreach.html b/docs/outreach.html
index e66375a..ca7943e 100644
--- a/docs/outreach.html
+++ b/docs/outreach.html
@@ -717,7 +717,7 @@ <h2 class="anchored" data-anchor-id="activities">Activities</h2>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/people.html b/docs/people.html
index 1911430..b2e60ec 100644
--- a/docs/people.html
+++ b/docs/people.html
@@ -871,7 +871,7 @@ <h2 class="anchored" data-anchor-id="visiting-scholars">Visiting Scholars</h2>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/playground.html b/docs/playground.html
index 3d0d222..d961d69 100644
--- a/docs/playground.html
+++ b/docs/playground.html
@@ -700,7 +700,7 @@ <h5 class="card-title anchored" data-anchor-id="card-title-2">Card Title</h5>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/publication.html b/docs/publication.html
index 1818411..974e924 100644
--- a/docs/publication.html
+++ b/docs/publication.html
@@ -791,7 +791,7 @@ <h2 class="anchored" data-anchor-id="reports">Reports</h2>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/research.html b/docs/research.html
index 3cc8bd0..c14288a 100644
--- a/docs/research.html
+++ b/docs/research.html
@@ -756,7 +756,7 @@ <h2 class="anchored" data-anchor-id="finished-projects">Finished projects</h2>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/resources.html b/docs/resources.html
index bd644e3..abb4ef1 100644
--- a/docs/resources.html
+++ b/docs/resources.html
@@ -760,7 +760,7 @@ <h2 class="anchored" data-anchor-id="calendars">Calendars</h2>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/scour.html b/docs/scour.html
index 41d7def..58f866a 100644
--- a/docs/scour.html
+++ b/docs/scour.html
@@ -644,7 +644,7 @@ <h1 class="title">Bio-based Scour Countermeasures</h1>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/self-burrowing.html b/docs/self-burrowing.html
index 0883c9c..7011bee 100644
--- a/docs/self-burrowing.html
+++ b/docs/self-burrowing.html
@@ -794,7 +794,7 @@ <h2 class="anchored" data-anchor-id="acknowledgement">Acknowledgement</h2>
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">
diff --git a/docs/teaching.html b/docs/teaching.html
index aae8f14..da7ed37 100644
--- a/docs/teaching.html
+++ b/docs/teaching.html
@@ -684,7 +684,7 @@ <h2 class="anchored" data-anchor-id="cee-494598-bio-inspired-design">CEE 494/598
 <footer class="footer">
   <div class="nav-footer">
     <div class="nav-footer-left">
-<p>©2013-2022 Julian Tao</p>
+<p>©2013-2024 Julian Tao</p>
 </div>   
     <div class="nav-footer-center">
       <ul class="footer-items list-unstyled">