perhaps because the traits women tend to find sexy when they're fertile are already present in their partners. However, while those women weren't looking elsewhere, they also weren'
Well, yes and no. Yes, we seem to have evolved beyond such heat-ish behavior. We humans are unusual in the animal kingdom for havingsexeven when females are not fertile, for example. (I am happy to call such behavior more highly evolved, but then again, I’m a dude!) But that do...
Women's extra–pair copulations tend to occur in their most fertile per... SW Gangestad,R Thornhill - 《Proceedings of the Royal Society B Biological Sciences》 被引量: 619发表: 1998年 Developmental stability and human violence Developmental stability (the precision with which genotypes are ...
Lesson #2: Find Joy in the Small Things We’ve all seen dogs having the time of their lives rolling in the grass or blissing out while getting belly rubs from one of their favorite humans. “I think we often assume we’ll see people again, so we treat moments as insignificant,” say...
Animals are disappearing at hundreds of times the normal rate, primarily because of shrinking habitats. Their biggest threat: humans.
Are Mules Fertile? When, however, a microscopic examination was made, it was ascertained that the sperms were quite or almost tailless-at the most the length of the flagellum was never more than three or four times the diameter of the head, and ... EWART,C J. - 《Nature》 被引量:...
A species is a group of organisms that live in the same area and mate, producing fertile offspring. The process of creating a new species is known as speciation. Speciation can occur when an event causes reproductive isolation of organisms within the species; this prevents the organisms from ...
You cannot put a price on an active and fertile imagination, nor can you overestimate the value of an inquisitive mind, a respect for the environment, and an urge to question why everything is as it is. These traits are all developed and nurtured when we're children and, without them,...
did not exactly equate association with causation, they seem to have at least implied it to most readers by phrasing such as “compared with children born to fertile women, the cancer risk increased among children born after the use of frozen embryo transfer”, and “children born after the ...
C.It is hardly influenced by humans. D.It played a role in medical field.【小题4】From which section of a newspaper is the text most probably taken? A.Health. B.Lifestyle. C.Science. D.Agriculture. 相关知识点: 试题来源: 解析 【答案】【小题1】A【小题2】A【小题3】D【小题4】...