← Back to PeopleJKJournalistJacek KrywkoStaff Writer at Scientific AmericanLinkedInJacek Krywko is a staff writer who covers scientific topics including photoreceptor mechanisms and vision research.1Mentions1Articles1OutletsArticlesMost recent firstMentioned InReferenced in coverageScientists find DNA from a mysterious human ancestor in every living personScientific AmericanpositiveAug 2, 2026“Wrote article about scientists finding DNA from mysterious human ancestor in every living person.”