diff --git a/core/lib/ucore.jar b/core/lib/ucore.jar
index be896cc29f..407d15d559 100644
Binary files a/core/lib/ucore.jar and b/core/lib/ucore.jar differ
diff --git a/core/src/io/anuke/mindustry/UI.java b/core/src/io/anuke/mindustry/UI.java
index 8c8ad8e315..9c01275344 100644
--- a/core/src/io/anuke/mindustry/UI.java
+++ b/core/src/io/anuke/mindustry/UI.java
@@ -261,6 +261,10 @@ public class UI extends SceneModule{
 							tiptable.row();
 							tiptable.add().size(10).units(Unit.px);
 							tiptable.row();
+							tiptable.add("[scarlet]Health: " + r.result.health).left();
+							tiptable.row();
+							tiptable.add().size(6).units(Unit.px);
+							tiptable.row();
 							tiptable.add("[ORANGE]" + description).left();
 							tiptable.pad(Unit.dp.inPixels(10f));
 						};
diff --git a/core/src/io/anuke/mindustry/ai/MHueristic.java b/core/src/io/anuke/mindustry/ai/MHueristic.java
index d69b91904f..a55e07ced1 100644
--- a/core/src/io/anuke/mindustry/ai/MHueristic.java
+++ b/core/src/io/anuke/mindustry/ai/MHueristic.java
@@ -18,7 +18,8 @@ public class MHueristic implements Heuristic<Tile>{
 		if(other.breakable() && other.block().solid) cost += Vars.tilesize*multiplier;
 		for(Tile tile : node.getNearby()){
 			if(tile != null && tile.solid()){
-				cost += Vars.tilesize*2;
+				//don't go near solid tiles!
+				cost += Vars.tilesize*3;
 			}
 		}
 		return cost;
diff --git a/core/src/io/anuke/mindustry/world/blocks/ProductionBlocks.java b/core/src/io/anuke/mindustry/world/blocks/ProductionBlocks.java
index df18e8ac3c..a60fb05ae5 100644
--- a/core/src/io/anuke/mindustry/world/blocks/ProductionBlocks.java
+++ b/core/src/io/anuke/mindustry/world/blocks/ProductionBlocks.java
@@ -92,11 +92,18 @@ public class ProductionBlocks{
 		}
 	},
 	
-	smelter = new Crafter("smelter"){{
-		health = 70;
-		requirements = new Item[]{Item.coal, Item.iron};
-		result = Item.steel;
-	}},
+	smelter = new Crafter("smelter"){
+		{
+			health = 70;
+			requirements = new Item[]{Item.coal, Item.iron};
+			result = Item.steel;
+		}
+		
+		@Override
+		public String description(){
+			return "Takes in coal + iron, outputs steel.";
+		}
+	},
 	
 	stonedrill = new Drill("stonedrill"){{
 		resource = Blocks.stone;
diff --git a/core/src/io/anuke/mindustry/world/blocks/Turret.java b/core/src/io/anuke/mindustry/world/blocks/Turret.java
index 4cfd5dd403..21eb5ae77d 100644
--- a/core/src/io/anuke/mindustry/world/blocks/Turret.java
+++ b/core/src/io/anuke/mindustry/world/blocks/Turret.java
@@ -5,7 +5,9 @@ import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.math.MathUtils;
 
 import io.anuke.mindustry.Vars;
-import io.anuke.mindustry.entities.*;
+import io.anuke.mindustry.entities.Bullet;
+import io.anuke.mindustry.entities.BulletType;
+import io.anuke.mindustry.entities.TileEntity;
 import io.anuke.mindustry.entities.enemies.Enemy;
 import io.anuke.mindustry.resource.Item;
 import io.anuke.mindustry.world.Block;
@@ -72,7 +74,7 @@ public class Turret extends Block{
 
 	@Override
 	public String description(){
-		return "Shoots things.";
+		return "[green]Ammo: "+(ammo==null ? "N/A" : ammo.name())+"\n[]Shoots things.";
 	}
 	
 	@Override