How much of your story can a DNA test really tell you? A list of ancestry percentages can feel like a precise answer to who you are. Yet the history inside our genomes is more tangled, more shared, and less predictable than those neat categories suggest. In A Brief History of Everyone Who Ever Lived , geneticist Adam Rutherford explores what DNA reveals about humanity—and where its explanatory power ends. This book summary follows his central ideas about evolution, ancestry, and the danger of treating genes as destiny. Author: Adam Rutherford Categories: Science, Genetics, Human Evolution Read time: 6 minutes 1-Sentence Summary: Human DNA preserves clues to our shared past, but understanding those clues requires distinguishing ancestry from identity and genetic influence from inevitability. Overview: Human History Written in DNA Traditional history draws on documents, objects, and human remains. Genomics adds another source: inherited biological information. Comparing DNA fro...