diff --git a/index.js b/index.js
index 923189b..56cef6e 100644
--- a/index.js
+++ b/index.js
@@ -285,8 +285,21 @@
 				}
 
 				return new_rs;
-			}
+			},
+
+            // Arvo's algorithm
+            // Arvo, James, A Simple Method for Box-Sphere Intersection Testing, p. 335-339, code: p. 730-732, BoxSphere.c.
+            // solid-solid case
+            // `sphere` should be Array [ x, y, z, radius ]
+            intersectWithSphere: function( sphere ) {
+                var dmin = 0;
+                for ( var i = 0; i < this._numDimensions; i++ ) {
+                    if ( sphere[i] < this.min[i] ) dmin += Math.pow( ( sphere[i] - this.min[i] ), 2 );
+                    if ( sphere[i] > this.max[i] ) dmin += Math.pow( ( sphere[i] - this.max[i] ), 2 );
+                }
+                return dmin <= Math.pow( sphere[ this._numDimensions ], 2 )
+            }
 		};
 
 		return AABB;
-}));
\ No newline at end of file
+}));
diff --git a/test/aabb-test.js b/test/aabb-test.js
index 0135f4e..252265f 100644
--- a/test/aabb-test.js
+++ b/test/aabb-test.js
@@ -43,6 +43,14 @@ vows.describe('AABB').addBatch({
 			var t = new AABB([-6, -3], [6, 2])
 			assert.isFalse (aabb.contained(t));
 		},
+        'circle intersects': function( aabb ) {
+            var c = [ 0, 0, 1 ];
+            assert.isTrue( aabb.intersectWithSphere( c ) );
+        },
+        'circle does not intersect': function( aabb ) {
+            var c = [ 10, 10, 1 ];
+            assert.isFalse( aabb.intersectWithSphere( c ) );
+        }
 	},
 	'Testing 3D AABB': {
 		topic: function(){ return new AABB([-5, -2, -5], [5, 3, 5]); },
@@ -104,6 +112,14 @@ vows.describe('AABB').addBatch({
 				{a: 0, b: 0}
 			];
 			assert.isFalse (aabb.intersectWithSegment(s));
-		}
+		},
+        'sphere intersects': function( aabb ) {
+            var s = [ 0, 0, 0, 1 ];
+            assert.isTrue( aabb.intersectWithSphere( s ) );
+        },
+        'sphere does not intersect': function( aabb ) {
+            var s = [ 10, 10, 10, 1 ];
+            assert.isFalse( aabb.intersectWithSphere( s ) );
+        }
 	}
 }).export(module);