diff --git a/package-lock.json b/package-lock.json
index cd281037d0..09205b3c2e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,7 +5,7 @@
   "requires": true,
   "packages": {
     "": {
-      "version": "4.4.3",
+      "version": "4.5.2",
       "dependencies": {
         "@angular/animations": "^11.2.9",
         "@angular/cdk": "^11.2.5",
diff --git a/src/app/app-routing.module.ts b/src/app/app-routing.module.ts
index 9cd43f04ea..7d750a11d6 100644
--- a/src/app/app-routing.module.ts
+++ b/src/app/app-routing.module.ts
@@ -148,7 +148,7 @@ const routes: Routes = [
             }
         ]
     },
-    /* {
+    {
         path: 'search',
         children: [
             {
@@ -160,12 +160,12 @@ const routes: Routes = [
                 component: ResultsComponent
             }
         ]
-    }, */
-    /* {
+    },
+    {
         path: 'resource/:id',
         component: ResourceComponent,
         runGuardsAndResolvers: 'always'
-    }, */
+    },
     {
         path: 'cookie-policy',
         component: CookiePolicyComponent
diff --git a/src/app/main/header/header.component.html b/src/app/main/header/header.component.html
index 6a60ff2a48..c91e3659f2 100644
--- a/src/app/main/header/header.component.html
+++ b/src/app/main/header/header.component.html
@@ -11,15 +11,15 @@ <h1 class="mat-headline phone-tablet-only">DSP</h1>
     <span class="fill-remaining-space"></span>
 
     <!-- search-panel (in desktop and tablet version) -->
-   <!--  <span class="action"> -->
+    <span class="action">
         <!-- button to reactivate when dsp-app will be used as a research platform again: -->
-        <!-- <dsp-search-panel
+        <dsp-search-panel
             [projectfilter]="true"
             [advanced]="true"
             [expert]="true"
             (search)="doSearch($event)">
-        </dsp-search-panel> -->
-         <!-- to keep? > advanced and expert search (in desktop and tablet version) -->
+        </dsp-search-panel>
+         <!-- to keep? > advanced and expert search (in desktop and tablet version) > already implemented in dsp-search-panel > we can delete the following commented code -->
          <!-- <span class="other-search-link">
             <button mat-button color="primary" class="advanced-search-link" routerLink="/search/advanced">
                 <span>Advanced search</span>
@@ -28,7 +28,7 @@ <h1 class="mat-headline phone-tablet-only">DSP</h1>
                 <span>Expert search</span>
             </button>
         </span> -->
-   <!--  </span> -->
+    </span>
 
     <span class="fill-remaining-space desktop-only"></span>
 
@@ -39,10 +39,10 @@ <h1 class="mat-headline phone-tablet-only">DSP</h1>
 
     <!-- action tools: info menu, select language, login button, user menu -->
     <span class="action">
-        <!-- button to reactivate when dsp-app will be used as a research platform again: -->
-        <!-- <button mat-icon-button *ngIf="session" aria-label="Add a new resource" (click)="openNewResourceForm('createResource')" class="main-toolbar-button new-resource" >
+
+        <button mat-icon-button *ngIf="session" aria-label="Add a new resource" (click)="openNewResourceForm('createResource')" class="main-toolbar-button new-resource" >
             <mat-icon>add_circle_outline</mat-icon>
-        </button> -->
+        </button>
 
         <button mat-button [routerLink]="'/help'" class="main-toolbar-button help">Help</button>