Modern humans appear in the fossil record about 200,000 years ago, but it was only about 50,000 years ago that making art and advanced tools became widespread.
Social Sciences
Aug 1, 2014
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Under the Tanzanian skies, some thrush nightingale males reside in close proximity to each other, a striking contrast to their territorial behavior during breeding season in temperate zones. With the end of winter, a dual ...
Plants & Animals
Aug 30, 2023
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What do fast-food restaurants have in common? Why are women more likely to become compulsive shoppers and men more likely to become addicted to pornography? Why do men's testosterone levels rise when they drive expensive ...
Social Sciences
Jun 29, 2011
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(Phys.org) —We've all heard it before: if a guy is made to feel less than manly, he'll act even more macho to make up for it. Now, new research suggests that this behavior may have something to do with how much testosterone ...
Social Sciences
Apr 17, 2013
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Street lamps, traffic lights and lighting from homes are causing a rise in our night-time light levels. For some time now, scientists have suspected that artificial light in our towns and cities at night could affect plants, ...
Plants & Animals
Feb 13, 2013
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Atrazine, one of the world's most widely used pesticides, wreaks havoc with the sex lives of adult male frogs, emasculating three-quarters of them and turning one in 10 into females, according to a new study by University ...
Plants & Animals
Mar 1, 2010
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Few of us would find a marriage proposal made amidst dirty dishes and messy clutter particularly romantic, but we are not the only creatures who realize that cleaning up your act may improve your chances of attracting a mate. ...
Plants & Animals
Sep 1, 2017
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101
A new analysis of old data suggests that the endangered erect-crested penguin's bizarre nesting habits—rejecting the first egg they lay—is because they can't feed two chicks, and the second, larger egg has a better chance ...
Plants & Animals
Oct 12, 2022
0
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Territorial behavior in male mice might be linked to more "girl-power" than ever suspected, according to new findings at UCSF. For the first time, researchers have identified networks of nerve cells in the brain that are ...
Plants & Animals
Oct 1, 2009
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A team of researchers from Brown University, the University of Vienna and Smith College has found that giving male Bornean rock frogs testosterone pushes them to exaggerate their provocative kicking gestures. In their paper ...
