Results 161 to 170 of about 3,470,234 (405)

Trace elements in South America aerosol during 20th century inferred from a Nevado Illimani ice core, Eastern Bolivian Andes (6350 m asl) [PDF]

open access: gold, 2003
A. L. Correia   +6 more
openalex   +1 more source

A Century of Work and Leisure [PDF]

open access: yes
Has leisure increased over the last century? Standard measures of hours worked suggest that it has. In this paper, we develop a comprehensive measure of non-leisure hours that includes market work, home production, commuting and schooling for the last ...
Neville Francis, Valerie A. Ramey
core  

Trabecular bone ontogeny of the human talus

open access: yesThe Anatomical Record, EarlyView.
Abstract Studies of trabecular ontogeny may provide insight into the factors that drive healthy bone development. There is a growing understanding of how the juvenile skeleton responds to these influences; however, gaps in our knowledge remain. This study aims to identify ontogenetic trabecular patterns and regional changes during development within ...
Rebecca A. G. Reid   +2 more
wiley   +1 more source

Reassessment of 20th century global mean sea level rise

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2017
S. Dangendorf   +5 more
semanticscholar   +1 more source

Ontogenetic changes and sexual dimorphism in the cranium and mandible of the Atlantic walrus (Odobenus rosmarus rosmarus L.)

open access: yesThe Anatomical Record, EarlyView.
Abstract Walruses have been an important subsistence and cultural resource for humans and have been exploited for millennia across their distribution. This exploitation has contributed to severe declines in several populations and local extirpations.
Katrien Dierickx   +6 more
wiley   +1 more source

Hybridization of Atlantic puffins in the Arctic coincides with 20th-century climate change. [PDF]

open access: yesSci Adv, 2023
Kersten O   +11 more
europepmc   +1 more source

Children's work in Spanish textiles during the 19th and 20th Centuries [PDF]

open access: yes
This essay deals with the reasons explaining children’s work in 19th century textile factories and their removal during the first part of the 20th century.
Enriqueta Camps
core  

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