Synthesized answer
The provided passages do not explicitly list all the questions that remain unanswered within the book "The Panda's Thumb." However, the passages do pose several questions that are explored within the essays. These include whether dinosaurs were dumber than lizards, why the birth ratio of men and women is roughly equal, what led Dr. Down to his theory of mongolism and its racist residue, and what the panda's "thumb" and the sea turtle's migration reveal about evolutionary imperfections [Passage 2].
The passages indicate that these questions, among others related to evolutionary biology, are elegantly explored in the collection of essays. However, the specific questions that remain unanswered at the end of these explorations are not detailed in the provided text.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
these and other essays by the celebrated natural history writer Stephen Jay Gould. Categories: Science Pages: 356 Snippet: The wonders and mysteries of evolutionary biology are elegantly explored in these and other essays by the celebrated natural history writer Stephen Jay Gould.
Title: The Panda's Thumb by Stephen Jay Gould Description: For better science students, this is a collection of 31 essays on natural history. --- Google Books --- Title: The Panda's Thumb by Stephen Jay Gould Description: "Gould is a natural writer; he has something to say and the inclination and skill with which to say it." —P. B. Medawar, New York Review of Books With sales of well over one million copies in North America alone, the commercial success of Gould's books now matches their critical acclaim. The Panda's Thumb will introduce a new generation of readers to this unique writer,…