Choosiness will lead to the best offspring. Being too choosy, however, could in the end result in no offspring at all. Female fruit flies have a solution to this dilemma.
Plants & Animals
Jun 22, 2021
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12
A male orca's best friend is his old mother.
Plants & Animals
Jul 22, 2023
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42
Having elder siblings decreases mortality risk in childhood, but same-sex elder siblings are associated with lower marriage rates and fewer children for their younger siblings in adulthood, according to the results of a long-term ...
Social Sciences
Nov 22, 2012
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Fish with a placenta struggle to adapt to rapid changes in the food supply. They probably evolved in a stable, food-rich environment. As ecosystems change under the influence of humans, they are experiencing greater difficulty ...
Ecology
Jul 11, 2011
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An international team of researchers has discovered that contrary to conventional views, a male mammal was found able to exert inadvertent gender bias ratios in his offspring. In their paper published in the journal Proceedings ...
The threat of infants being killed by unrelated males is the key driver of monogamy in humans and other primates. The study by academics from UCL, University of Manchester, University of Oxford and University of Auckland, ...
Social Sciences
Jul 29, 2013
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(Phys.org)—A team of researchers with members from Canada, Japan and the U.S. has found that social skills in capuchin monkey mothers plays a role in the survivability of her offspring. In their paper published in Proceedings ...
Glossy magazines and TV reality shows often portray males as the gender that strays and females as the gender that's picky.
Plants & Animals
Apr 15, 2014
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0
Although females often engage in more reproductive activities, they tend to live longer than their males. However, no empirical study has interpreted why females often live longer than their males while suffering from costly ...
Plants & Animals
May 31, 2024
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31
Single fatherhood is a challenge many arachnids undertake, guarding eggs laid by females despite the costs to their own health and mating benefits, but the news may not be all bad for these dads.
Plants & Animals
Oct 10, 2012
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