Case closed?: nine mysteries unlocked by modern science
Ouvrages documentaires canadiens, Auteurs canadiens (documentaires), Sciences et technologies
Audio avec voix humaine, Braille avec transcription humaine
Résumé
What ever happened to the thriving city of Ubar? Why did the Anasazi people disappear? Was Hatshepsut really a female pharaoh? The author takes on nine historic mysteries from around the world and explains how they have been solved by… modern scientific techniques, such as satellite imagery, CAT scans, DNA analysis and sonar. Hughes explains why the cases were re-opened, details the personnel involved and their investigations, and ultimately their findings. Grades 3-6. c2010.