diff --git a/trunk/paradiseo-peo/tutorial/Lesson1/main.cpp b/trunk/paradiseo-peo/tutorial/Lesson1/main.cpp
index 4137b97fb..7478eb329 100644
--- a/trunk/paradiseo-peo/tutorial/Lesson1/main.cpp
+++ b/trunk/paradiseo-peo/tutorial/Lesson1/main.cpp
@@ -103,5 +103,8 @@ int main( int __argc, char** __argv ) {
 	peo :: finalize( );
 	// shutting down the ParadisEO-PEO environment
 
+	if(getNodeRank()==1)
+		std::cout<<"\n\nPopulation :\n"<<population;
+
 	return 0;
 }
diff --git a/trunk/paradiseo-peo/tutorial/Lesson2/main.cpp b/trunk/paradiseo-peo/tutorial/Lesson2/main.cpp
index 57321420a..0933bb72f 100644
--- a/trunk/paradiseo-peo/tutorial/Lesson2/main.cpp
+++ b/trunk/paradiseo-peo/tutorial/Lesson2/main.cpp
@@ -50,8 +50,8 @@
 #include <peo>
 
 
-#define POP_SIZE 2
-#define NUM_GEN 2
+#define POP_SIZE 10
+#define NUM_GEN 100
 #define CROSS_RATE 1.0
 #define MUT_RATE 0.01
 
@@ -133,6 +133,9 @@ int main( int __argc, char** __argv ) {
 
 	peo :: run( );
 	peo :: finalize( );
+	
+	if(getNodeRank()==1)
+		std::cout<<"\n\nPopulation :\n"<<population;
 
 	// shutting down the ParadisEO-PEO environment
 
diff --git a/trunk/paradiseo-peo/tutorial/Lesson3/main.cpp b/trunk/paradiseo-peo/tutorial/Lesson3/main.cpp
index 3776baa37..a7caa0c8a 100644
--- a/trunk/paradiseo-peo/tutorial/Lesson3/main.cpp
+++ b/trunk/paradiseo-peo/tutorial/Lesson3/main.cpp
@@ -182,6 +182,12 @@ int main( int __argc, char** __argv ) {
 
 	peo :: run( );
 	peo :: finalize( );
+	
+	if(getNodeRank()==1)
+    {
+    	std::cout << "Population 1 :\n" << population << std::endl;
+    	std::cout << "Population 2 :\n" << population2 << std::endl;
+    }
 	// shutting down the ParadisEO-PEO environment
 
 	return 0;