diff --git a/index.html b/index.html
index 4300e80..e0c4d00 100644
--- a/index.html
+++ b/index.html
@@ -92,8 +92,8 @@
             <img ng-hide="r.state.level > 0" class="pull-left media-object" src="assets/icons/png/unknown.png" alt="">
             <div class="media-body">
               <h4 class="media-heading">{{ r.state.level > 0 ? r.name : '?????' }} <span ng-show="r.state.level > 0" class="badge">Level {{ r.state.level }}</span></h4>
-              <p ng-show="r.level > 0">{{ r.description }}</p>
-              <p ng-show="r.level > 0" class="small">Research yields <strong>{{ r.state.reputation | niceNumber }}</strong> reputation.</p>
+              <p ng-show="r.state.level > 0">{{ r.description }}</p>
+              <p ng-show="r.state.level > 0" class="small">Research yields <strong>{{ r.state.reputation | niceNumber }}</strong> reputation.</p>
               <div class="btn-group">
               <button class="btn btn-primary" ng-disabled="!rc.isAvailable(r)" ng-click="rc.doResearch(r)">Research <small>({{ r.state.cost | niceNumber }} data)</small></button>
               <button class="btn btn-info {{ r.state.interesting ? 'blink' : '' }}" ng-show="r.state.level > 0" ng-click="rc.showInfo(r)"><i class="fa fa-exclamation"></i></button>
diff --git a/js/app.js b/js/app.js
index 51dda6e..678228b 100644
--- a/js/app.js
+++ b/js/app.js
@@ -8,6 +8,7 @@
   var workers = game.workers;
   var upgrades = game.upgrades;
   var achievements = game.achievements;
+  var allObjects = game.allObjects;
 
   UI.validateVersion(lab.version);
 
@@ -103,13 +104,13 @@
   app.controller('UpgradesController', function() {
     this.upgrades = upgrades;
     this.isVisible = function(upgrade) {
-      return upgrade.isVisible(lab);
+      return upgrade.isVisible(lab, allObjects);
     };
     this.isAvailable = function(upgrade) {
-      return upgrade.isAvailable(lab);
+      return upgrade.isAvailable(lab, allObjects);
     };
     this.upgrade = function(upgrade) {
-      if (upgrade.buy(lab)) {
+      if (upgrade.buy(lab, allObjects)) {
         UI.showUpdateValue("#update-funding", upgrade.cost);
       }
     }
diff --git a/js/gameobjects.js b/js/gameobjects.js
index fca5a77..9f5e34e 100644
--- a/js/gameobjects.js
+++ b/js/gameobjects.js
@@ -188,22 +188,22 @@ var GameObjects = (function() {
     return true;
   };
 
-  Upgrade.prototype.isAvailable = function(lab) {
-    if (!lab) {
+  Upgrade.prototype.isAvailable = function(lab, allObjects) {
+    if (!lab || !allObjects) {
       return false;
     }
     return !this.state.used && lab.state.money >= this.cost &&
-           this.meetsRequirements();
+           this.meetsRequirements(allObjects);
   };
 
-  Upgrade.prototype.isVisible = function(lab) {
-    if (!lab) {
+  Upgrade.prototype.isVisible = function(lab, allObjects) {
+    if (!lab || !allObjects) {
       return false;
     }
     if (!this.state.used &&
         (this.state.visible ||
          lab.state.money >= this.cost * GLOBAL_VISIBILITY_THRESHOLD &&
-             this.meetsRequirements())) {
+             this.meetsRequirements(allObjects))) {
       this._visible = true;
       return true;
     }
diff --git a/json/upgrades.json b/json/upgrades.json
index 998a2a5..b5de8fd 100644
--- a/json/upgrades.json
+++ b/json/upgrades.json
@@ -6,8 +6,8 @@
     "effect": "PhD Students produce twice as much data per second.",
     "icon": "fa-group",
     "cost": 100,
-    "targets": [{"key": "PhD Students", "property": "rate"}],
-    "requirements": [{"key": "PhD Students", "property": "hired", "threshold": 1}],
+    "targets": [{"key": "workers-phdstudents", "property": "rate"}],
+    "requirements": [{"key": "workers-phdstudents", "property": "hired", "threshold": 1}],
     "factor": 2,
     "constant": 0
   },
@@ -18,8 +18,8 @@
     "effect": "PhD Students produce twice as much data per second.",
     "icon": "fa-group",
     "cost": 10000,
-    "targets": [{"key": "PhD Students", "property": "rate"}],
-    "requirements": [{"key": "Thesis supervision", "property": "_used", "threshold": 1}],
+    "targets": [{"key": "workers-phdstudents", "property": "rate"}],
+    "requirements": [{"key": "upgrade-thesissupervision", "property": "_used", "threshold": 1}],
     "factor": 2
   },
   {
@@ -30,12 +30,12 @@
     "icon": "fa-group",
     "cost": 1e6,
     "targets": [
-      {"key": "PhD Students", "property": "rate"},
-      {"key": "Postdocs", "property": "rate"},
-      {"key": "Research Fellows", "property": "rate"},
-      {"key": "Tenured Professors", "property": "rate"},
-      {"key": "Nobel Prize Winners", "property": "rate"},
-      {"key": "Summer Students", "property": "rate"}
+      {"key": "workers-phdstudents", "property": "rate"},
+      {"key": "workers-postdocs", "property": "rate"},
+      {"key": "workers-fellows", "property": "rate"},
+      {"key": "workers-profs", "property": "rate"},
+      {"key": "workers-nobel", "property": "rate"},
+      {"key": "workers-summies", "property": "rate"}
     ],
     "requirements": [],
     "factor": 2