A new study by researchers at the University of Minnesota Twin Cities challenges previous classifications paleontologists use ...
More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...
A new study by the University of Minnesota challenges previous classifications paleontologists use to determine how the ...
Intro -- Table of Contents -- Preface -- Acknowledgments -- Part I. Fossils Are Where You Find Them -- 1. Fantastic Fossils -- 2. How Are Fossils Formed? -- 3. What Kinds of Rocks Yield Fossils? -- 4.
One hypothesis suggests the fossils may have been traded for use in ritual or medicinal practices, researchers said. Photo by Jens Lehmann. During an excavation on Morocco’s Mogador Island, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results