Results 141 to 150 of about 167,421,224 (267)

[Military operations in Egypt and Palestine] [cartographic material]. Map 3, Turkish attack on Suez Canal, February, 1915 /

open access: yes, 1925
Map shows positions of Turkish and British troops at the Suez Canal, February 1915. Relief indicated by notes.; Also available in an electronic version via the internet at: http://nla.gov.au/nla.map-rm2421 ...
Great Britain. Committee of Imperial Defence. Historical Section.
core  

Twin pregnancies and the limits of the energetics of gestation and growth hypothesis

open access: yesThe Anatomical Record, EarlyView.
Abstract The “Energetics of Gestation and Growth” (EGG) hypothesis proposes that human birth timing and the associated secondary altriciality of human newborns is determined by limits in maternal metabolic capacity. According to this model, labor is triggered when the increasing fetal energy requirements exceed the expectant mother's maximum sustained ...
Cédric Cordey   +2 more
wiley   +1 more source

[Topographic maps of Sabah] [cartographic material].

open access: yes, 1958
Uncoloured topographic maps of Sabah, Malaysia, possibly compilation sheets for series DOS 333 (T833).; Each sheet is individually named and numbered.; "Lee Dong Young A.A. 18/3/58".
Great Britain. Colonial Office.
core  

Developmental differences in cortical bone structure in chimpanzee and human femora reflect early locomotor independence in humans

open access: yesThe Anatomical Record, EarlyView.
Abstract The cortical bone structure of long bone diaphyses changes throughout growth via skeletal modeling and has important implications for bone strength and structural integrity. Ontogenetic trends in diaphyseal structure have been identified in both chimpanzees and humans but it is not yet clear how these trends compare given notable differences ...
Karen R. Swan   +3 more
wiley   +1 more source

[Military operations in Egypt and Palestine]. Map 8, The desert campaign [cartographic material] /

open access: yes, 1925
Topographic map showing British and Turkish railways. Relief shown by tinting, contour lines and spot heights.; Also available in an electronic version via the internet at: http://nla.gov.au/nla.map-rm2421 ...
Great Britain. Committee of Imperial Defence. Historical Section.
core  

Human evolution and the obstetrical dilemma: The pelvic floor hypothesis

open access: yesThe Anatomical Record, EarlyView.
Abstract Human childbirth is mechanically difficult because a large‐headed, broad‐shouldered fetus must pass through a comparatively narrow, twisted bony birth canal. Traditional explanations of this “obstetrical dilemma” emphasize the role of bipedal locomotion in inhibiting the evolution of a wider, more spacious pelvis.
Barbara Fischer, Ekaterina Stansfield
wiley   +1 more source

The “costly son” hypothesis: Sons exacerbate obstetrical dilemmas in humans and other mammals

open access: yesThe Anatomical Record, EarlyView.
Abstract Human childbirth has often been considered uniquely difficult among mammals, yet recent evidence suggests that obstructed labor and fetopelvic disproportion are widespread across placental mammals. Here, we propose the “costly son” hypothesis: because male offspring are typically larger at birth, they impose greater obstetric risk on mothers ...
Nicole D. S. Grunstra   +1 more
wiley   +1 more source

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