While we have always believed that identical twins share all of their genomes, a new study reveals that they could actually be genetically different. ThePrint’s Sandhya Ramesh explains the findings and their significance.----more----Supplementary reading: NewScientist | The stranger within (chimera mother) https://www.newscientist.com/article/mg18024215-100-the-stranger-within----more----Scientific American | 3 Human chimeras that already exist https://www.scientificamerican.com/article/3-human-chimeras-that-already-exist/----more----The Guardian | Identical twins are not so identical, study suggests https://www.theguardian.com/science/2021/jan/08/identical-twins-are-not-so-identical-study-suggests----more----Nature Genetics | Differences between germline genomes of monozygotic twins https://www.nature.com/articles/s41588-020-00755-1.epdf