A remarkable first occurred recently at the Smithsonian's National Museum of Natural History when ornithologists Carla Dove and Storrs Olson used 700- to 1,100-year-old feathers from a long extinct species of Hawaiian ibis ...
Archaeology
Nov 22, 2011
1
0
(PhysOrg.com) -- Family structure affects a child's economic mobility prospects, according to a new study co-authored by professor Thomas DeLeire of the University of Wisconsin-Madison's La Follette School of Public Affairs ...
Social Sciences
May 21, 2010
0
0
Multilevel societies are among the most complex societies known in nature. They are organized like Russian nesting dolls—individuals belong to family groups, which belong to clans, which belong to tribes.
Plants & Animals
Mar 10, 2023
0
45
Single parents are more likely than parents in nuclear families to receive financial help from their grown, live-in children, according to research to be presented at the 104th annual meeting of the American Sociological ...
Social Sciences
Aug 11, 2009
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0
Family structure in America is sharply divided by class and race.
Social Sciences
Sep 19, 2019
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50
To understand modern racial inequalities, historical context is crucial. That's according to new research from Penn sociologist Regina Baker published in the American Journal of Sociology.
Social Sciences
Jun 20, 2022
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54
Kryptoglanis shajii is a strange fish – and the closer scientists look, the stranger it gets. This small subterranean catfish sees the light of day and human observers only rarely, when it turns up in springs, wells and ...
Plants & Animals
May 13, 2014
0
0
(Phys.org) -- If you're a male born to a father who's a strong and enduring community leader, you're far more likely than your less fortunate peers to become a leader yourself, due to the wide range of social advantages accruing ...
Plants & Animals
Jul 10, 2012
1
0
Researchers at two Department of Energy-funded Scientific User Facilities collaborated with one of three Bioenergy Research Centers to develop and analyze high-resolution crystal structures of an enzyme from the cellulose-degrading ...
Biotechnology
May 25, 2015
0
30
Meat production is a significant source of greenhouse gasses and widespread adoption of a plant-based diet is key to achieving the United Nations 2030 Sustainable Development Goals. A study publishing June 16th in PLOS Sustainability ...
Environment
Jun 16, 2022
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13
