Hanoi, July 13 -- As DNA speaks through next-generation sequencing technology, Vietnamese scientists are uncovering the identities of unknown fallen soldiers, rekindling hope for families that have spent decades searching for their loved ones. At the DNA Analysis Centre under the Institute of Biology of the Vietnam Academy of Science and Technology (VAST), every unidentified set of remains begins a painstaking journey. Carefully cleaned, processed and analysed under strict laboratory conditions, bone samples are examined in the hope of returning a fallen soldier to his family. The painstaking work extends beyond meticulous sample processing and the development of a DNA database. Inside a transparent plastic box no larger than a hand are a...