diff --git a/projects/pianoTiles/script.js b/projects/pianoTiles/script.js
index 99e24ea..d2e8f1b 100644
--- a/projects/pianoTiles/script.js
+++ b/projects/pianoTiles/script.js
@@ -129,7 +129,7 @@ function Block(index){
    
     this.width = 70;
     this.height = 120;
-    this.color = "black";
+    this.color = "rgb(0, 0, 0)";
     switch(this.appearPos){
         case 0:
             this.x = 0;
diff --git a/research/Molina2024_AIVC_V2.pdf b/research/Molina2024_AIVC_V2.pdf
new file mode 100644
index 0000000..aa2d366
Binary files /dev/null and b/research/Molina2024_AIVC_V2.pdf differ
diff --git a/research/investigaciones.html b/research/investigaciones.html
index 38bd92c..7c53ba6 100644
--- a/research/investigaciones.html
+++ b/research/investigaciones.html
@@ -14,7 +14,7 @@ <h1>Investigaciones 🔬:</h1>
     <div class="curved-box">
         <h1>Participacion en Investigaciones:</h1>
         <list>
-            <li><a href="">IPRE Verano 2024: Fondecyt-11220965 (ECCUC)</a></li>
+            <li><a href="Molina2024_AIVC_V2.pdf">IPRE Verano 2024: Fondecyt-11220965 (ECCUC)</a></li>
             <br>
 
     </div>