Reproduction
Massive Star-Forming Galaxy Spotted in Early Universe  SCI-NEWS.COM · 29 minutes
Astronomers using the Atacama Large Millimeter Array (ALMA) have discovered faint traces of a huge dust-obscured star-forming galaxy never seen before, dating... more
Choosing the best embryos  SCIENCE DAILY · 36 minutes
Struggling with infertility? You are not alone. Infertility affects one out of every six Canadian couples. Some resort to in vitro fertilization, with mixed results. In a new study, researchers unveiled a mechanism that likely contributes to the low level... more
Swiss government bans 'shredding' of male chicks  PHYS.ORG · 2 hours
Switzerland is banning the practice of "shredding" newly hatched male chicks, citing progress in techniques to determine chicks' gender in the egg. more
Male specimens preferred by animal collectors, study suggests  PHYS.ORG · 4 hours
Museum collections of birds and mammals may be disproportionately skewed to favour males, even if female members of the species outnumber males in the wild, according to research published Wednesday. more
Medical News Today: What to know about sex after a vasectomy  MNT · 16 hours
Vasectomies are a standard procedure for birth control in men. Here, we discuss whether vasectomies can affect sexual function and how long to avoid sex after... more
Link between pregnancy stress, immune activation, and postpartum depression  NEWS MEDICAL · 17 hours
A new study presented at the Society for Neuroscience meeting on October 19, 2019, at Chicago, shows for the first time how postpartum depression could actually be due to abnormal... more
Point-of-care diagnostic for detecting preterm birth on horizon  SCIENCE DAILY · 17 hours
A new study provides a first step toward the development of an inexpensive point-of-care diagnostic test to assess the presence of known risk factors for preterm birth in resource-poor areas. The study... more
More electronic device use tied to more sugar and caffeine in teens  SCIENCE DAILY · 17 hours
A new study found that more than 27% of teens exceed recommended sugar intake and 21% exceed recommended caffeine from soda and energy drinks.... more
White Bellbird Has Loudest Songs in Avian Kingdom: Study  SCI-NEWS.COM · 17 hours
A duo of ornithologists from the United States and Brazil has recorded the loudest bird song (up to... more
Study uncovers brain biology behind postpartum depression  NEWS MEDICAL · 18 hours
Chronic stress during pregnancy triggers an immune response in the brain that has potential to alter brain functions in ways that could contribute to postpartum depression, new research in animals suggests. more
Men with breast cancer more likely to die than women, study finds  NEWS MEDICAL · 18 hours
Men with breast cancer are more likely to die than their female counterparts, across all stages of disease, with the disparity persisting even when... more
Unique brain cells linked to OCD and anxiety  SCIENCE DAILY · 20 hours
Scientists have discovered a new lineage of specialized brain cells, called Hoxb8-lineage microglia, and established a link between the lineage and OCD and anxiety in mice. Their experiments proved that Hoxb8-lineage microglia... more
Men with breast cancer face high mortality rates  SCIENCE DAILY · 20 hours
Men with breast cancer are more likely to die than their female counterparts, across all stages of disease, with the disparity persisting even when clinical characteristics, such as cancer types, treatment and... more
What Aboriginal survivors of child sexual abuse told researchers they need  PHYS.ORG · 23 hours
It's a year since the national apology to victims and survivors of institutional child sexual abuse. While national apologies can acknowledge survivors, sorry is just the... more
What is sex really for?  PHYS.ORG · 23 hours
Few topics arouse as much interest and controversy as sex. This is hardly surprising. The biological continuance of the species hinges on it—if human beings stopped having sex, there would soon be no more human beings. Popular culture... more
New flame retardants, old problems  SCIENCE DAILY · 23 hours
New flame retardants escaping from our TVs, other electrical and electronic products, and children's car seats are just as toxic as the flame retardants they're intended to replace, according to a new study. The authors found that the... more
Women 'less likely to progress at work' than their male counterparts following childbirth  PHYS.ORG · 24 hours
Women and men experience a 'large divergence' in their career paths in the years following childbirth, according to a study following more... more
Researchers develop simple, low-cost way to predict preeclampsia  NEWS MEDICAL · 1 day
Australian researchers have developed a way to predict the onset of a deadly pregnancy condition that kills 76,000 women and half a million babies each year, mostly in developing countries. more
All-female spacewalk duo set sights on Moon  PHYS.ORG · 1 day
What's even better than venturing out into the vacuum of space? Landing on the Moon, according to US astronauts Christina Koch and Jessica Meir, the first all-female duo to conduct a spacewalk. more
New flame retardants, old problems  PHYS.ORG · 1 day
New flame retardants escaping from our TVs, other electrical and electronic products, and children's car seats are just as toxic as the flame retardants they're intended to replace, according to a peer-reviewed study published today in Environmental Science... more
Catastrophic events carry forests of trees thousands of miles to a burial at sea  SCIENCE DAILY · 2 days
While studying sediments in the Bay of Bengal, an international team finds evidence dating back millions of years that catastrophic... more
Amazon's white bellbirds set new record for loudest bird call  SCIENCE DAILY · 2 days
Biologists report that they have recorded the loudest bird calls ever documented, made by dove-sized male white bellbirds as part of their mating rituals in the mountains of... more
Researchers analyze trends in episiotomy use among vaginal deliveries  NEWS MEDICAL · 2 days
In Canada, the rate of episiotomy during childbirth has declined in recent years, but when it comes to births assisted by forceps or vacuum, this downward trend warrants a closer... more
Medical News Today: Douching linked to dangerous chemicals in blood  MNT · 2 days
Emerging evidence links vaginal douches with higher blood concentrations of potentially harmful chemicals, which may contribute to adverse health effects. more
Medical News Today: Can pregnancy occur after a vasectomy?  MNT · 2 days
The chances of a pregnancy after a vasectomy are almost zero. However, we look at why pregnancy can still happen. We also explore vasectomy reversal, and a process called sperm... more
Research shows brain's immune system gets activated by stress during pregnancy  NEWS MEDICAL · 2 days
Chronic stress during pregnancy triggers an immune response in the brain that has potential to alter brain functions in ways that could contribute to postpartum depression,... more
Pregnant women with anemia more likely to need blood transfusions after cesarean delivery  NEWS MEDICAL · 2 days
Pregnant women with anemia are twice as likely to need blood transfusions after a cesarean delivery, as those without the condition, according... more
N Ireland laws on abortion, same-sex marriage, set to change  PHYS.ORG · 2 days
Northern Ireland is set to decriminalize abortion and set the stage for legalization of same-sex marriages as of midnight Monday, bringing its laws in line with the rest... more
New way to think about brain's link to postpartum depression  SCIENCE DAILY · 2 days
Chronic stress during pregnancy triggers an immune response in the brain that has potential to alter brain functions in ways that could contribute to postpartum depression, new research... more
Female spacewalking duo uplifted by excitement below  PHYS.ORG · 2 days
The astronauts who took part in the first all-female spacewalk are still uplifted by all the excitement down on Earth. more
How the mouse X and Y chromosomes compete with each other to control offspring  SCIENCE DAILY · 2 days
New research presents the first demonstration of a specific difference in sperm function associated with sex ratio skewing. more
How the mouse X and Y chromosomes compete with each other to control offspring  PHYS.ORG · 2 days
The molecular function of genes in mice has a major influence on the sex of their offspring, according to a... more
Male deer stain their bellies according to their competitive context  PHYS.ORG · 2 days
When it is time for mating season, the period when red deer (Cervus elaphus hispanicus) are in heat, the male deer bring out their best weapons in order... more
A complex marriage arrangement: New insights and unanswered questions in plant heterostyly  PHYS.ORG · 2 days
The study of plant reproductive systems provides crucial insights into ecological interactions and the process of evolutionary change. Reproductive success is closely allied to... more
Watch the world’s loudest bird scream for a mate  Science Magazine · 2 days
White bellbirds shatter the record for noisiest call—and maybe their mates’ eardrums more
Amazon's white bellbirds set new record for loudest bird call  PHYS.ORG · 2 days
Biologist Jeff Podos at the University of Massachusetts Amherst, with Mario Cohn-Haft at the Instituto Nacional de Pesquisas da Amazônia, Brazil, report that they have recorded the loudest... more
N Ireland laws on abortion, same-sex marriage, set to change  ABC NEWS · 2 days
Abortion is set to be decriminalized and same-sex marriage legalized in Northern Ireland as of midnight, bringing its laws in line with the rest of the U.K. more
Technology's double-bind for working women  PHYS.ORG · 2 days
Smartphones and other mobile devices amplify the patriarchal values that are part of our culture, according to new research by a Massey University expert in organizational communication and gender. more
Get Your Flu Shot Now, Doctors Advise, Especially If You're Pregnant  NPR · 2 days
Pregnant women and people with chronic health conditions such as asthma, diabetes and heart disease are particularly vulnerable to flu complications yet lag the elderly in... more
Insufficient placental steroid may increase autism spectrum disorder risk  NEWS MEDICAL · 3 days
A study in experimental models suggests that allopregnanolone, one of many hormones produced by the placenta during pregnancy, is so essential to normal fetal brain development that when provision of... more
Most women of childbearing age may be less skeptical about the safety of CBD  NEWS MEDICAL · 3 days
While most women of childbearing age understand drinking alcohol while pregnant is harmful, they may be less skeptical about the... more
Young adults with PTSD may have a higher risk of stroke in middle age  SCIENCE DAILY · 4 days
Young adults who develop PTSD after a traumatic event (e.g., gun violence, sexual assault, military combat or natural disaster) may... more
NASA astronauts complete repairs on historic spacewalk  SPACE NEWS · 5 days
Two NASA astronauts successfully replaced a faulty battery charger during the agency’s first all-female spacewalk Oct. 18, an event that at times... more
NASA Astronauts Make History with 1st All-Female Spacewalk  LIVE SCIENCE · 5 days
Today (Oct. 18), NASA astronauts Christina Koch and Jessica Meir embarked on the first spacewalk in history to be completed by a team of all women. more
Researchers discover genes linked to sex ratio and male fertility in mice  NEWS MEDICAL · 5 days
One of the more recent trends among parents-to-be is the so-called gender reveal, a party complete with pink or blue cake to answer the... more
US makes history with first all-female spacewalk  PHYS.ORG · 5 days
US astronauts Christina Koch and Jessica Meir on Friday became the first all-female pairing to carry out a spacewalk—a historic milestone as NASA prepares to send the first woman to the Moon. more
First all-female spacewalking team makes history  PHYS.ORG · 5 days
The world's first all-female spacewalking team made history high above Earth on Friday, replacing a broken part of the International Space Station's power grid. more
Genes linked to sex ratio and male fertility in mice  SCIENCE DAILY · 5 days
Researchers find genes that help maintain the 50-50 balance between male and female offspring in mice -- and that have major implications for male infertility. more
Genes linked to sex ratio and male fertility in mice  PHYS.ORG · 5 days
One of the more recent trends among parents-to-be is the so-called gender reveal, a party complete with pink or blue cake to answer the burning question, "Is it... more
World's 1st female spacewalking team makes history  PHYS.ORG · 5 days
The world's first female spacewalking team made history high above Earth on Friday, floating out of the International Space Station to fix a broken part of the power network. more
U.S. astronauts embark on the first all-female spacewalk  REUTERS · 5 days
U.S. astronauts Christina Koch and Jessica Meir made history on Friday when they stepped outside the International Space Station (ISS)... more
The 1st All-Female Spacewalk Happening Today. Here's How to Watch It Live  LIVE SCIENCE · 5 days
NASA astronauts Christina Koch and Jessica Meir are scheduled to begin the first-ever all-female spacewalk today (Oct. 18) at around 7:50 a.m. EDT (1150... more
Prenatal stress increases birth complications and decreases male births  NEWS MEDICAL · 5 days
According to a new study published this week, mothers who undergo physical and mental stress during their pregnancies are more likely to deliver prematurely and have birth complications. more
Region, age, and sex decide who gets arthritis-linked 'fabella' knee bone  SCIENCE DAILY · 5 days
The once-rare 'fabella' bone has made a dramatic resurgence in human knees, but who's likely to have a fabella or two -- and why? more
Estrogen exposure may stave off cognitive decline in women  MNT · 6 days
New research suggests that estrogen exposure and hormone replacement therapy can help maintain cognitive health in postmenopausal women. more
Medical News Today: Estrogen exposure may stave off cognitive decline in women  MNT · 6 days
New research suggests that estrogen exposure and hormone replacement therapy can help maintain cognitive health in postmenopausal women. more
Medical News Today: What to do if you cannot feel an IUD's strings  MNT · 6 days
An IUD has strings that hang down into the vagina. People should locate these strings regularly to make sure that the IUD... more
Rare sex-specific brain cells found in male and female mice  NEWS MEDICAL · 6 days
Caltech researchers have discovered rare brain cell types that are unique to male mice and other types that are unique to female mice. These sex-specific cells were found... more
Male and female mice have different brain cells  PHYS.ORG · 6 days
Caltech researchers have discovered rare brain cell types that are unique to male mice and other types that are unique to female mice. These sex-specific cells were found in a region of... more
Stem cell study offers new way to study early development and pregnancy  SCIENCE DAILY · 6 days
For the first time, researchers have created mouse blastocyst-like structures, or 'blastoids,' from a single cultured cell. The work could help advance research into... more
Male and female mice have different brain cells  SCIENCE DAILY · 6 days
Scientists discover that a brain region known to control sex and violence contains rare cell types that differ in male versus female mice. more
Image analysis to automatically quantify gender bias in movies  SCIENCE DAILY · 6 days
Many commercial films worldwide continue to express womanhood in a stereotypical manner, a recent study using image analysis showed. A research team developed a novel image analysis method for automatically... more
Sexual selection alone could set stage for new species, study shows  NEWS MEDICAL · 6 days
A new study by University of Pittsburgh researchers indicates animals that seek mates and fight rivals that resemble their parents could be behaving in ways that... more
Sexual selection alone could spark formation of new species  SCIENCE DAILY · 6 days
Because of imprinted preferences, strawberry poison frog females mate more with similar colored males, and less with differently colored males. Over time, the behavior could lead to two color types... more
Bosses face more discrimination if they are women – from employees of any gender  PHYS.ORG · 6 days
Imagine that your boss Ethan calls you into his office. He expresses disappointment in your recent performance and lack of commitment. How... more
Meet 'le blob' Paris zoo's new star attraction  PHYS.ORG · 6 days
The Paris zoo's latest attraction is a brainless, eyeless, single-celled organism with no limbs or stomach but more than 700 genders. more
480-million-year-old arthropods formed orderly queues  PHYS.ORG · 6 days
Fossils of ancient arthropods discovered in linear formation may indicate a collective behaviour either in response to environmental cues or as part of seasonal reproductive migration. The findings, which are being published in Scientific Reports this week, suggest... more
Parental gender attitudes associated with Japanese girls' reduced university participation  PHYS.ORG · 6 days
A group of University of Tokyo researchers and their colleagues suggest that stereotypical gender role attitudes and negative images of STEM fields of Japanese parents may be associated... more
Is healthcare the new 'manufacturing' when it comes to good jobs?  PHYS.ORG · 6 days
A new study from the University of Minnesota and Villanova University examined "good jobs" (i.e., decent wages, access to health benefits, regular hours and job security)... more
Providers take many approaches to help support women and families after infant loss  NEWS MEDICAL · 6 days
For women who suffer the devastation of an infant loss during pregnancy, emotions can run the gamut. They may feel guilty, angry... more
Research: Alternative pathway to production of male hormones is present during human fetal development  NEWS MEDICAL · 6 days
Research led by the Universities of Birmingham and Manchester has made a connection between the way baby wallabies produce male... more
MCI: Should memory tests score males and females differently?  MNT · 7 days
A new study finds that testing memory with sex-specific scores could lead to more females and fewer males receiving a mild cognitive impairment diagnosis. more
Medical News Today: MCI: Should memory tests score males and females differently?  MNT · 7 days
A new study finds that testing memory with sex-specific scores could lead to more females and fewer males receiving a mild cognitive impairment diagnosis. more
Pollution tied to silent miscarriage among pregnant women  NEWS MEDICAL · 7 days
Miscarriage happens when an embryo or fetus dies before the 20th week of pregnancy. In some cases, pregnant women experience silent miscarriage, also known as missed abortion. It happens when the fetus... more
Surveying solar storms by ancient Assyrian astronomers  SCIENCE DAILY · 7 days
Researcher finds evidence of ancient solar magnetic storms based on cuneiform astrological records and carbon-14 dating. This work may help with our understanding of intense solar activity that can threaten modern electronics. more
X marks the spot: recombination in structurally distinct chromosomes  PHYS.ORG · 7 days
Two years ago, scientists from the Stowers Institute for Medical Research reported the 3-D structure of the synaptonemal complex in the fruit fly Drosophila melanogaster. This large protein complex is... more
Rise in testosterone level boosts young women's running capacity  SCIENCE DAILY · 7 days
A rise in the level of the male hormone testosterone significantly boosts young physically active women's capacity to run for longer, reveals a new study. more
Hormone therapy associated with improved cognition  SCIENCE DAILY · 7 days
Estrogen has a significant role in overall brain health and cognitive function. That's why so many studies focused on the prevention of cognitive decline consider the effect of reduced estrogen levels during the menopause transition. A... more
Drug may improve the safety of cannabis use in early pregnancy  NEWS MEDICAL · 7 days
Cannabis use during pregnancy may increase the risk of psychosis in children. Scientists have now found a drug that can reduce the effects of THC on... more
Hormone therapy linked to better cognitive status in older adult women  NEWS MEDICAL · 7 days
Estrogen has a significant role in overall brain health and cognitive function. That's why so many studies focused on the prevention of cognitive decline consider the... more
Syphilis rates in patients with kidney failure found to be greater than general population  NEWS MEDICAL · 7 days
Syphilis rates, like other sexually transmitted disease rates in the United States, are soaring, and the first known study to... more
Did early mammals turn to night life to protect their sperm?  SCIENCE DAILY · 1 week
Humans are diurnal -- we are active in the day and sleep at night. But diurnalism is by far the exception rather the rule in mammals.... more
Researchers solve puzzle about link between genetic mutations, mating in fruit flies  SCIENCE DAILY · 1 week
More than a century ago, early geneticists showed that the inheritance of a single mutation by fruit flies can change the insect's body color... more
Scientists to investigate the impact of skewed sex ratios on human societies  NEWS MEDICAL · 1 week
The ratio of males to females in a population, the adult sex ratio, is already known to affect social behavior in animals such as... more
Developing new mobile app to target victims of rural child sex trafficking  NEWS MEDICAL · 1 week
A West Virginia University School of Medicine researcher is developing an app to train key personnel in rural areas how to identify and report... more
Stress during pregnancy may affect baby's sex, risk of preterm birth  SCIENCE DAILY · 1 week
A new study has identified markers of maternal stress -- both physical and psychological -- that may influence a baby's sex and the likelihood of preterm... more
Medical News Today: What to know about third trimester weight gain  MNT · 1 week
A woman may gain weight during the third trimester of pregnancy. This is because the fetus is growing and the body is preparing for delivery. Learn... more
4,000-Year-Old Mummies Showed Early Signs of Heart Disease  LIVE SCIENCE · 1 week
Five mummies dating to 4,000 years ago had cholesterol buildup in their arteries, hinting that humans have been susceptible to heart disease since ancient times. more
Hawaii STD epidemic driven by social media and dating apps  NEWS MEDICAL · 1 week
There is a sharp rise in the number of cases of sexually transmitted diseases in the United States say health officials. Remarkable rise has been noted in Hawaii... more
Sperm and egg cell 'immune response' protects koala DNA  SCIENCE DAILY · 1 week
Discovery of a type of immunity that protects koalas' DNA from viruses has importance for the survival of koalas and our fundamental understanding of evolution. A team of scientists are... more
NASA moves up 1st all-female spacewalk to fix power unit  PHYS.ORG · 1 week
NASA is moving up the first all-female spacewalk to this week because of a power system failure at the International Space Station. more
Researchers solve puzzle about link between genetic mutations, mating in fruit flies  PHYS.ORG · 1 week
More than a century ago, early geneticists showed that the inheritance of a single mutation by fruit flies can change the insect's body color... more
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