--- modules/node.module.orig	2006-11-14 09:31:56.000000000 -0500
+++ modules/node.module	2006-11-14 09:42:48.000000000 -0500
@@ -345,11 +345,12 @@ function node_load($param = array(), $re
     $nodes = array();
   }
 
+  $cachable = FALSE;
   $arguments = array();
   if (is_numeric($param)) {
     $cachable = $revision == NULL;
     if ($cachable && isset($nodes[$param])) {
-      return $nodes[$param];
+      return is_object($nodes[$param]) ? drupal_clone($nodes[$param]) : $nodes[$param];
     }
     $cond = 'n.nid = %d';
     $arguments[] = $param;
@@ -390,7 +391,7 @@ function node_load($param = array(), $re
   }
 
   if ($cachable) {
-    $nodes[$param] = $node;
+    $nodes[$param] = is_object($node) ? drupal_clone($node) : $node;
   }
 
   return $node;