diff --git a/src/elements.jl b/src/elements.jl
index fb4bcb8..fb0fa9d 100644
--- a/src/elements.jl
+++ b/src/elements.jl
@@ -1608,7 +1608,7 @@ const _elements_data = [
             ypos=7),
     Element(name="Actinium",
             atomic_mass=227,
-            boil=3500300,
+            boil=3500,
             category="actinide",
             density=10,
             discovered_by="Friedrich Oskar Giesel",
@@ -1683,7 +1683,7 @@ const _elements_data = [
             category="actinide",
             density=20.45,
             discovered_by="Edwin McMillan",
-            melt=9123,
+            melt=912,
             molar_heat=29.46,
             number=93,
             period=7,
@@ -2035,11 +2035,11 @@ const _elements_data = [
             ypos=7),
     Element(name="Livermorium",
             atomic_mass=293,
-            boil=10351135,
+            boil=1085, #Average of 1035--1135
             category="unknown, probably post-transition metal",
             density=12.9,
             discovered_by="Joint Institute for Nuclear Research",
-            melt=637780,
+            melt=709, #Average of 637--780, rounded (up) to nearest integer
             number=116,
             period=7,
             phase="Solid",
@@ -2067,7 +2067,7 @@ const _elements_data = [
             ypos=7),
     Element(name="Oganesson",
             atomic_mass=294,
-            boil=35030,
+            boil=350,
             category="unknown, predicted to be noble gas",
             density=4.95,
             discovered_by="Joint Institute for Nuclear Research",