The iron lung: A life-saving device with an enduring legacy
Before the invention of the polio vaccine, the iron lung supported patients whose lungs were weakened or paralyzed by polio.
Avengers: Endgame directors fought "for months" to have the iconic portals scene, which was originally totally different
The portals scene was reworked in post-production (along with, famously, Robert Downey Jr'.s 'I Am Iron Man' one-liner) and ...