The chart below shows the normal range of a resting heart rate (pulse rate after resting 10 minutes) in beats per minute, according to age.
This version of Thor's hammer was made by master swordsmith Tony Swatton. He's a Picasso when it comes to recreating movie props like Wolverine's claws, swords from Game of Thrones and weapons of the Teenage Mutant Ninja Turtles.
MjÃ¶lnir (literally, that which smashes) is the hammer wielded by Thor, the Norse god of thunder. Ages ago, an unimaginably powerful cosmic storm called the God Tempest approached Asgard. Called the Mother of Thunder, the storm possessed the power to knock planets out of their orbit and make black holes shake.