These brothers from Brazil were born with their heads fused together and had to share not only vital blood vessels but also parts of their brains.

In August 2022, a medical event of truly extraordinary magnitude unfolded in Brazil—a procedure that doctors immediately hailed as a miracle and a surgical feat that would have been deemed nearly impossible just a few short years ago. The focus of this triumph were two young brothers, Arthur and Bernardo Lima, born in 2018. From the moment they entered the world, they …