Sheep and goat formed the foundation of pastoral activity across the Central Asian steppe through the Bronze Age. Theories of pastoral activity have assumed that flocks were uniform in association with ethnic groups that crossed the steppe with new ceramic forms and technologies…
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Homo erectus (senso lato ) was a remarkable hominin in that it was the first hominin to have a biogeographic distribution throughout the Old World. While there are many hypotheses regarding why Homo erectus dispersed into Eurasia when no other hominin before had, this dissertati…
The fossil hominin species Homo erectus spanned nearly the entire Pleistocene epoch and is known from sites in East Africa, South Africa, Georgia, China and Java. H. erectus represents the oldest occurrences of hominins outside of Africa and is associated with novel technologica…
Fossil taxa are crucial to studies of brain evolution, as they allow us to identify evolutionary trends in relative brain size and brain shape that may not otherwise be identifiable in comparative studies using only extant taxa, owing to multiple events of parallel encephalizati…
One of the single most extraordinary examples of host-parasite co-evolution is shown by the isopod family Cymothoidae, of which all species are obligate parasites of fishes, including many commercially important fish species. Cymothoids are one of the most diverse isopod groups,…
Biologists have long sought to understand how ecological selective pressures drive evolutionary responses. Defining how morphology, life history, and abiotic conditions interact across deep time can reveal the selective pressures responsible for shaping various axes of biodivers…