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When it comes to choosing a mate, female guppies often go for mates with the flashiest, most interesting color patterns.In a new study, Florida State University researchers found that the choices of t...
DNA links male,female butterfly thought to be distinct species（图）
DNA links male female butterfly distinct species
2017/9/1
Researchers recently discovered what was thought to be a distinct species of butterfly is actually the female of a species known to science for more than a century.An international team of nine butter...
In Sex-Changing Fish,Male-Typical Sexual Behavior Associated With Elevated Expression Of Male Sex Hormone Receptors In Muscles
Sex-Changing Fish Male-Typical Sexual Behavior Male Sex Hormone Receptors Muscles
2017/7/21
Sex-changing fish exhibit differences in androgen receptor (AR) expression in muscles that are highly sensitive to androgens (male sex hormones) and essential for male courtship behavior, according to...
New Study:Male Chimpanzees Can Be Players And Good Fathers
Male Chimpanzees Players Good Fathers
2016/11/29
New research suggests that male chimpanzees are more invested in protecting their own offspring than previously thought. Researchers found male chimpanzees spend time with non-mating female chimpanzee...
In battle of the sexes,a single night with a New York male is enough to kill
battle of the sexes New York male enough to kill
2015/6/18
Men and women often enter relationships with different long-term goals. In the animal world, differences in approaches to reproductive success can lead to sexual conflict.Male fruit flies, for example...
Lemur girls behave more like the guys, thanks to a little testosterone, according to a new study.Males rule in most of the animal world. But when it comes to conventional gender roles, lemurs -- dista...
While the female baboon’s big red bottom may be an eyesore to some, it has an aphrodisiac effect on her mates. Biologists have long thought that baboon males prefer females with bigger backsides as th...
Durham, NC - In a long-term study of interactions between chimpanzees in the famous Gombe National Park in Tanzania, researchers have found that males who consistently bully females tend to father mor...
Built-in billboards: Male bluefin killifish signal different things with different fins（图）
different fins Built-in billboard
2014/12/1
CHAMPAIGN, Ill. — They help fish swim, but fins also advertise a fish’s social standing and health. In a new study, researchers report that for the male bluefin killifish (Lucania goodei), each colorf...
Choosing between two good things can be tough. When animals must decide between feeding and mating, it can get even trickier. In a discovery that might ring true even for some humans, researchers have...
Choosing between two good things can be tough. When animals must decide between feeding and mating, it can get even trickier. In a discovery that might ring true even for some humans, researchers have...
Male and female sex cell determination requires lifelong maintenance and protection
Male and female sex cell determination requires lifelong maintenance and protection
2014/6/19
The way in which the sex of an organism is determined may require lifelong maintenance, finds new research from the University of Minnesota. According to the study published today in the journal Devel...
Testosterone deficiency affects male cancer survivors´ quality of life
Testosterone deficiency male cancer survivors´ quality of life
2010/2/24
Researchers at the University of Sheffield have found that many male cancer survivors who develop testosterone deficiency after receiving chemotherapy or radiation therapy have an impaired quality of ...
Joint Statement on Kenyan and Ugandan Trial Findings Regarding Male Circumcision and HIV
Male Circumcision HIV
2006/12/18
13 December 2006，Statement developed by the World Health Organization (WHO), the United Nations Population Fund (UNFPA), the United Nations Children’s Fund (UNICEF), the World Bank and the UNAIDS Secr...
Genetic Archaeology Finds Clues to Pregnancy in Male Pipefish, Seahorses（图）
Genetic Archaeology Pipefish
2006/12/15
December 4, 2006，Genetic archaeology is providing a new clue to one of the greatest gender mysteries in the fish world: how did male pregnancy evolve in a family of fish.A gene discovered in the gulf ...