(Phys.org)—A trio of researchers with the University of St. Andrews in the U.K. has found what appears to be an evolutionary advantage for same-sex sexual behavior in fruit flies. In their paper published in Proceedings ...
As the global population hits seven billion, experts are warning that skewed gender ratios could fuel the emergence of volatile "bachelor nations" driven by an aggressive competition for brides.
Social Sciences
Oct 26, 2011
201
0
Researchers of the Department of Ethology, Eötvös Loránd University (ELTE) have been investigating dogs' reactions to wolf howls. Are there dogs that are more prone to reply with howling? Are these dogs genetically closer ...
Ecology
Feb 6, 2023
3
1671
The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...
Evolution
Sep 12, 2011
0
0
The rise of the first complex life depended on vital metals brought up to the Earth's surface from far below in vast granite deposits, a new study argues.
Earth Sciences
Aug 7, 2012
12
0
A new study challenges long-standing expectations that men are promiscuous and women tend to be more particular when it comes to choosing a mate. The research, published by Cell Press in the April issue of the journal Trends ...
Evolution
Apr 24, 2009
6
0
A University of Utah study produced new mathematical support for a theory that explains why men in some cultures often feed and care for their sisters' children: where extramarital sex is common and accepted, a man's genes ...
Other
Nov 27, 2012
13
0
In 1871, Charles Darwin sparked debate that continues today when he proposed that human sex differences evolved based on sexual selection. Sexual selection is Darwin's theory that certain physical, mental or psychological ...
Evolution
Apr 13, 2010
4
0
Almost 150 years after Charles Darwin first proposed a little-known prediction from his theory of sexual selection, researchers have found that male moths with larger antennae are better at detecting female signals.
Plants & Animals
May 26, 2017
1
251
Scientists have accepted natural selection as a driver of evolution for more than 160 years, thanks to Charles Darwin.
Plants & Animals
Feb 12, 2021
0
33
