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.
When Thor launched Mjolnir at Bor, the elder god merely caught the hammer and tossed it away. Thor was eventually able to summon all his might and bring down his grandfather, but the feat left Mjolnir shattered. And for the crime of striking down a fellow Asgardian, Thor was banished from Midgard.