Results 91 to 100 of about 2,076,942 (239)
The Anatomical Record, EarlyView.Abstract The obstetrical dilemma hypothesis (ODH) proposes an evolutionary trade‐off between obstetric requirements and locomotor performance. However, whether external pelvic breadth measures influence walking energetics during human growth remains poorly understood.
Guillermo Zorrilla‐Revilla +4 more
wiley +1 more source
Evolution of the hominin brain: A review of variations in size and shape
, 2015 If we aim to understand the acquisition of human cognitive organization during hominin evolution, two fundamental and complementary lines of evidence must be taken into account: the first is paleoneurological, based on the analyses of brain "endocasts ...
Magherini S. +6 more
core +1 more source
Humans are not unique: difficult birth is common in placental mammals
Biological Reviews, EarlyView.ABSTRACT Human childbirth is widely presumed to be uniquely difficult and dangerous compared to birth in other mammals. Tight fetopelvic proportions can result in obstructed labour and contribute to high rates of maternal and neonatal mortality. Ideas summarised under the ‘obstetrical dilemma’ have contributed to this assumption by explaining difficult
Nicole D. S. Grunstra
wiley +1 more source
Sacral Orientation in Hominin Evolution
Advances in Anthropology, 2013 Sagittal sacral orientation within the pelvic girdle of humans is a key component of posture and obstetrics. On the one hand, sacral orientation has direct influence on the lumbar curvature; while on the other hand, it has an impact on the dorsoventral dimension of the birth canal. In this study, we aim to explore the evolution of sacral orientation in
Ella Been +3 more
openaire +2 more sources
Carrion ecology: concepts, interdisciplinary synthesis, and perspectives
Biological Reviews, EarlyView.ABSTRACT Carrion is a ubiquitous resource in both terrestrial and aquatic ecosystems, yet it has long been overlooked in ecological research. Over the past two decades, studies on carrion and the many organisms that exploit it have flourished, revealing not only wide‐ranging ecological functions but also significance far beyond ecology.
Marcos Moleón +38 more
wiley +1 more source
Super volcano eruptions and their impact on hominin evolution
, 2015 Discussions relating to super-volcanic eruptions (Volcanic Explosivity Index 7-8+) and their impacts on hominin evolution tend to focus on eruptions that occurred within the last 100 kya and specifically relate to the impact on modern humans or ...
Firth, C., Cole, J.
core
Interdisciplinary Materials, EarlyView.Vibrations in matter, from spider webs to molecules, water to flames, share a grammar with music. We propose that creativity emerges when constraints force expansion beyond existing possibilities. Selective imperfection restores balance, enabling invention.
Markus J. Buehler
wiley +1 more source
On the variability of the dmanisi mandibles [PDF]
, 2014 The description of a new skull (D4500) from the Dmanisi site (Republic of Georgia) has reopened the debate about the morphological variability within the genus Homo.
Bermúdez De Castro, J.M. +5 more
core +1 more source
The evolution of hominin bipedalism in two steps
NatureBipedalism is a human-defining trait1-3. It is made possible by the familiar, bowl-shaped pelvis, whose short, wide iliac blades curve along the sides of the body to stabilize walking and support internal organs and a large-brained, broad-shouldered baby4-6. The ilium changes compared with living primates are an evolutionary novelty7. However, how this
Gayani Senevirathne +18 more
openaire +2 more sources
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Snake venoms show variability in composition at all taxonomic levels, both within and between species, and the selective pressures underlying this variation have long been debated.
Bálint Üveges +17 more
wiley +1 more source