Male-female relationships articles
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Making Sense of the Male-Female ‘Wage Gap’
What’s behind the wage gap between men and women? It has narrowed recently. In 2023, women’s median weekly wages of $1,005 equaled 84% of men’s Read More
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'Male' hippo in Japan zoo found to be female after 7 years
A DNA test was carried out because Gen-chan did not display typical male hippo behaviour.
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Why do male chicks play more than females? Study finds answers in distant ancestor
Play is widespread, but far from ubiquitous, across the animal kingdom. Especially common in mammals, play is also known to occur in taxa as diverse as birds, fish, octopuses, and even insects. But what is its function, given that natural selection never selects fun for its own sake? One prominent hypothesis is that play is beneficial to individuals because it allows them to practice skills needed later in life.