Xenarthrans constitute one of the most distinctive mammalian clades, with an evolutionary history deeply rooted in South America and a present-day ...

Includes updates and/or revisions. Stacey Falk is a high school biology teacher who revels in covering the theory of evolution in class. She is also a Roman Catholic who attends church every week. To ...

The evolution of eukaryotic cells represents one of the most pivotal transitions in the history of life, marked by the emergence of cellular compartmentalisation and increased complexity. Central to ...

This volume is based on the National Academy of Sciences' Colloquium on the Tempo and Mode of Evolution. The articles appearing in these pages were contributed by speakers at the colloquium and have ...

“What should students learn?” It’s the perennial question that has launched a thousand schools, and then some. While there is general agreement on the broad strokes of what’s worth teaching, the ...