diff --git a/mods/fossils.js b/mods/fossils.js
index eee690b4..e0f030ab 100644
--- a/mods/fossils.js
+++ b/mods/fossils.js
@@ -127,7 +127,7 @@ elements.petrified_wood = {
 elements.skull = {
     color: "#d9d9d9",
     hidden:true,
-    behavior: behaviors.SUPPORTPOWDER,
+    behavior: behaviors.POWDER,
     reactions: {
         "water": { elem2:"broth", tempMin:70, color2:"#d7db69" },
         "salt_water": { elem2:"broth", tempMin:70, color2:"#d7db69" },
@@ -197,72 +197,80 @@ if (!elements.sap.reactions) { elements.sap.reactions = {} }
 
 
 if (!elements.bone.reactions) { elements.bone.reactions = {} }
-    elements.bone.reactions.rock = { "elem1": "fossil", chance:0.00005 };
-    elements.bone.reactions.sand = { "elem1": "fossil", chance:0.000035 };
-    elements.bone.reactions.dirt = { "elem1": "fossil", chance:0.00003 };
-    elements.bone.reactions.tuff = { "elem1": "fossil", chance:0.00005 };
-    elements.bone.reactions.basalt = { "elem1": "fossil", chance:0.00004 };
-    elements.bone.reactions.mudstone = { "elem1": "fossil", chance:0.00004 };
-    elements.bone.reactions.packed_sand = { "elem1": "fossil", chance:0.00004 };
-    elements.bone.reactions.gravel = { "elem1": "fossil", chance:0.000035 };
-    elements.bone.reactions.clay = { "elem1": "fossil", chance:0.00003 };
-    elements.bone.reactions.clay_soil = { "elem1": "fossil", chance:0.00003 };
-    elements.bone.reactions.permafrost = { "elem1": "fossil", chance:0.000035 };
-    elements.bone.reactions.mulch = { "elem1": "fossil", chance:0.00003 };
-    elements.bone.reactions.ant_wall = { "elem1": "fossil", chance:0.00002 };
-    elements.bone.reactions.limestone = { "elem1": "fossil", chance:0.00005 };
-    elements.bone.reactions.quicklime = { "elem1": "fossil", chance:0.000045 };
-    elements.bone.reactions.slaked_lime = { "elem1": "fossil", chance:0.000035 };
+    elements.bone.reactions.rock = { "elem1": "fossil", tempMin:60, chance:0.00005 };
+    elements.bone.reactions.sand = { "elem1": "fossil", tempMin:60, chance:0.000035 };
+    elements.bone.reactions.dirt = { "elem1": "fossil", tempMin:60, chance:0.00003 };
+    elements.bone.reactions.tuff = { "elem1": "fossil", tempMin:60, chance:0.00005 };
+    elements.bone.reactions.basalt = { "elem1": "fossil", tempMin:60, chance:0.00004 };
+    elements.bone.reactions.mudstone = { "elem1": "fossil", tempMin:60, chance:0.00004 };
+    elements.bone.reactions.packed_sand = { "elem1": "fossil", tempMin:60, chance:0.00004 };
+    elements.bone.reactions.gravel = { "elem1": "fossil", tempMin:60, chance:0.000035 };
+    elements.bone.reactions.clay = { "elem1": "fossil", tempMin:60, chance:0.00003 };
+    elements.bone.reactions.clay_soil = { "elem1": "fossil", tempMin:60, chance:0.00003 };
+    elements.bone.reactions.permafrost = { "elem1": "fossil", tempMin:60, chance:0.000035 };
+    elements.bone.reactions.mulch = { "elem1": "fossil", tempMin:60, chance:0.00003 };
+    elements.bone.reactions.ant_wall = { "elem1": "fossil", tempMin:60, chance:0.00002 };
+    elements.bone.reactions.limestone = { "elem1": "fossil", tempMin:60, chance:0.00005 };
+    elements.bone.reactions.quicklime = { "elem1": "fossil", tempMin:60, chance:0.000045 };
+    elements.bone.reactions.slaked_lime = { "elem1": "fossil", tempMin:60, chance:0.000035 };
 
 
 if (!elements.bone_marrow.reactions) { elements.bone_marrow.reactions = {} }
-elements.bone_marrow.reactions.rock = { "elem1": "marrow_fossil", chance:0.00005 };
-elements.bone_marrow.reactions.sand = { "elem1": "petrified_wood", chance:0.000035 };
-elements.bone_marrow.reactions.dirt = { "elem1": "petrified_wood", chance:0.0003 };
-elements.bone_marrow.reactions.tuff = { "elem1": "marrow_fossil", chance:0.00005 };
-elements.bone_marrow.reactions.basalt = { "elem1": "marrow_fossil", chance:0.00004 };
-elements.bone_marrow.reactions.mudstone = { "elem1": "marrow_fossil", chance:0.00004 };
-elements.bone_marrow.reactions.packed_sand = { "elem1": "marrow_fossil", chance:0.00004 };
-elements.bone_marrow.reactions.gravel = { "elem1": "marrow_fossil", chance:0.000035 };
-elements.bone_marrow.reactions.clay = { "elem1": "marrow_fossil", chance:0.00003 };
-elements.bone_marrow.reactions.clay_soil = { "elem1": "marrow_fossil", chance:0.00003 };
-elements.bone_marrow.reactions.permafrost = { "elem1": "marrow_fossil", chance:0.000035 };
-elements.bone_marrow.reactions.mulch = { "elem1": "marrow_fossil", chance:0.00003 };
-elements.bone_marrow.reactions.ant_wall = { "elem1": "marrow_fossil", chance:0.00002 };
-elements.bone_marrow.reactions.limestone = { "elem1": "marrow_fossil", chance:0.00005 };
-elements.bone_marrow.reactions.quicklime = { "elem1": "marrow_fossil", chance:0.000045 };
-elements.bone_marrow.reactions.slaked_lime = { "elem1": "marrow_fossil", chance:0.000035 };
+elements.bone_marrow.reactions.rock = { "elem1": "marrow_fossil", tempMin:70, chance:0.00005 };
+elements.bone_marrow.reactions.sand = { "elem1": "marrow_fossil", tempMin:70, chance:0.000035 };
+elements.bone_marrow.reactions.dirt = { "elem1": "marrow_fossil", tempMin:70, chance:0.0003 };
+elements.bone_marrow.reactions.tuff = { "elem1": "marrow_fossil", tempMin:70, chance:0.00005 };
+elements.bone_marrow.reactions.basalt = { "elem1": "marrow_fossil", tempMin:70, chance:0.00004 };
+elements.bone_marrow.reactions.mudstone = { "elem1": "marrow_fossil", tempMin:70, chance:0.00004 };
+elements.bone_marrow.reactions.packed_sand = { "elem1": "marrow_fossil", tempMin:70, chance:0.00004 };
+elements.bone_marrow.reactions.gravel = { "elem1": "marrow_fossil", tempMin:70, chance:0.000035 };
+elements.bone_marrow.reactions.clay = { "elem1": "marrow_fossil", tempMin:70, chance:0.00003 };
+elements.bone_marrow.reactions.clay_soil = { "elem1": "marrow_fossil", tempMin:70, chance:0.00003 };
+elements.bone_marrow.reactions.permafrost = { "elem1": "marrow_fossil", tempMin:70, chance:0.000035 };
+elements.bone_marrow.reactions.mulch = { "elem1": "marrow_fossil", tempMin:70, chance:0.00003 };
+elements.bone_marrow.reactions.ant_wall = { "elem1": "marrow_fossil", tempMin:70, chance:0.00002 };
+elements.bone_marrow.reactions.limestone = { "elem1": "marrow_fossil", tempMin:70, chance:0.00005 };
+elements.bone_marrow.reactions.quicklime = { "elem1": "marrow_fossil", tempMin:70, chance:0.000045 };
+elements.bone_marrow.reactions.slaked_lime = { "elem1": "marrow_fossil", tempMin:70, chance:0.000035 };
 
 
 if (!elements.wood.reactions) { elements.wood.reactions = {} }
-elements.wood.reactions.rock = { "elem1": "petrified_wood", chance:0.000045 };
-elements.wood.reactions.tuff = { "elem1": "petrified_wood", chance:0.000045 };
-elements.wood.reactions.basalt = { "elem1": "petrified_wood", chance:0.000035 };
-elements.wood.reactions.mudstone = { "elem1": "petrified_wood", chance:0.000035 };
-elements.wood.reactions.packed_sand = { "elem1": "petrified_wood", chance:0.000035 };
-elements.wood.reactions.gravel = { "elem1": "petrified_wood", chance:0.00003 };
-elements.wood.reactions.clay = { "elem1": "petrified_wood", chance:0.000025 };
-elements.wood.reactions.clay_soil = { "elem1": "petrified_wood", chance:0.000025 };
-elements.wood.reactions.permafrost = { "elem1": "petrified_wood", chance:0.00003 };
-elements.wood.reactions.mulch = { "elem1": "petrified_wood", chance:0.000025 };
-elements.wood.reactions.ant_wall = { "elem1": "petrified_wood", chance:0.000015 };
-elements.wood.reactions.limestone = { "elem1": "petrified_wood", chance:0.000045 };
-elements.wood.reactions.quicklime = { "elem1": "petrified_wood", chance:0.00004 };
-elements.wood.reactions.slaked_lime = { "elem1": "petrified_wood", chance:0.00003 };
+elements.wood.reactions.rock = { "elem1": "petrified_wood", tempMin:50, tempMax:279, chance:0.000045 };
+elements.wood.reactions.rock = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.000045 };
+elements.wood.reactions.sand = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.000035 };
+elements.wood.reactions.dirt = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.00003 };
+elements.wood.reactions.tuff = { "elem1": "petrified_wood", tempMin:50, chance:0.000045 };
+elements.wood.reactions.basalt = { "elem1": "petrified_wood", tempMin:50, tempMax:279, chance:0.000035 };
+elements.wood.reactions.basalt = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.000035 };
+elements.wood.reactions.mudstone = { "elem1": "petrified_wood", tempMin:50, chance:0.000035 };
+elements.wood.reactions.packed_sand = { "elem1": "petrified_wood", tempMin:50, chance:0.000035 };
+elements.wood.reactions.gravel = { "elem1": "petrified_wood", tempMin:50, chance:0.00003 };
+elements.wood.reactions.clay = { "elem1": "petrified_wood", tempMin:50, chance:0.000025 };
+elements.wood.reactions.clay_soil = { "elem1": "petrified_wood", tempMin:50, chance:0.000025 };
+elements.wood.reactions.permafrost = { "elem1": "petrified_wood", tempMin:50, chance:0.00003 };
+elements.wood.reactions.mulch = { "elem1": "petrified_wood", tempMin:50, chance:0.000025 };
+elements.wood.reactions.ant_wall = { "elem1": "petrified_wood", tempMin:50, chance:0.000015 };
+elements.wood.reactions.limestone = { "elem1": "petrified_wood", tempMin:50, tempMax:279, chance:0.000045 };
+elements.wood.reactions.limestone = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.000045 };
+elements.wood.reactions.quicklime = { "elem1": "petrified_wood", tempMin:50, chance:0.00004 };
+elements.wood.reactions.slaked_lime = { "elem1": "petrified_wood", tempMin:50, chance:0.00003 };
 
 
 if (!elements.tree_branch.reactions) { elements.tree_branch.reactions = {} }
-elements.tree_branch.reactions.rock = { "elem1": "petrified_wood", chance:0.00005 };
-elements.tree_branch.reactions.tuff = { "elem1": "petrified_wood", chance:0.00005 };
-elements.tree_branch.reactions.basalt = { "elem1": "petrified_wood", chance:0.00004 };
-elements.tree_branch.reactions.mudstone = { "elem1": "petrified_wood", chance:0.00004 };
-elements.tree_branch.reactions.packed_sand = { "elem1": "petrified_wood", chance:0.00004 };
-elements.tree_branch.reactions.gravel = { "elem1": "petrified_wood", chance:0.000035 };
-elements.tree_branch.reactions.clay = { "elem1": "petrified_wood", chance:0.00003 };
-elements.tree_branch.reactions.clay_soil = { "elem1": "petrified_wood", chance:0.00003 };
-elements.tree_branch.reactions.permafrost = { "elem1": "petrified_wood", chance:0.000035 };
-elements.tree_branch.reactions.mulch = { "elem1": "petrified_wood", chance:0.00003 };
-elements.tree_branch.reactions.ant_wall = { "elem1": "petrified_wood", chance:0.00002 };
-elements.tree_branch.reactions.limestone = { "elem1": "petrified_wood", chance:0.00005 };
-elements.tree_branch.reactions.quicklime = { "elem1": "petrified_wood", chance:0.000045 };
-elements.tree_branch.reactions.slaked_lime = { "elem1": "petrified_wood", chance:0.000035 };
+elements.tree_branch.reactions.rock = { "elem1": "petrified_wood", tempMin:50, tempMax:279, chance:0.00005 };
+elements.tree_branch.reactions.rock = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.00005 };
+elements.tree_branch.reactions.tuff = { "elem1": "petrified_wood", tempMin:50, chance:0.00005 };
+elements.tree_branch.reactions.basalt = { "elem1": "petrified_wood", tempMin:50, tempMax:279, chance:0.00004 };
+elements.tree_branch.reactions.basalt = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.00004 };
+elements.tree_branch.reactions.mudstone = { "elem1": "petrified_wood", tempMin:50, chance:0.00004 };
+elements.tree_branch.reactions.packed_sand = { "elem1": "petrified_wood", tempMin:50, chance:0.00004 };
+elements.tree_branch.reactions.gravel = { "elem1": "petrified_wood", tempMin:50, chance:0.000035 };
+elements.tree_branch.reactions.clay = { "elem1": "petrified_wood", tempMin:50, chance:0.00003 };
+elements.tree_branch.reactions.clay_soil = { "elem1": "petrified_wood", tempMin:50, chance:0.00003 };
+elements.tree_branch.reactions.permafrost = { "elem1": "petrified_wood", tempMin:50, chance:0.000035 };
+elements.tree_branch.reactions.mulch = { "elem1": "petrified_wood", tempMin:50, chance:0.00003 };
+elements.tree_branch.reactions.ant_wall = { "elem1": "petrified_wood", tempMin:50, chance:0.00002 };
+elements.tree_branch.reactions.limestone = { "elem1": "petrified_wood", tempMin:50, tempMax:279, chance:0.00005 };
+elements.tree_branch.reactions.limestone = { "elem1": ["petrified_wood","charcoal","charcoal","charcoal"], tempMin:280, chance:0.00005 };
+elements.tree_branch.reactions.quicklime = { "elem1": "petrified_wood", tempMin:50, chance:0.000045 };
+elements.tree_branch.reactions.slaked_lime = { "elem1": "petrified_wood", tempMin:50, chance:0.000035 };