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In 1847, Hungarian obstetrician Ignaz Semmelweis watched maternal deaths fall from 18% to about 2% after ordering doctors to wash their hands — but medicine resisted the evidence, and his life ended in an asylum
2+ week, 2+ day ago (1426+ words) In May 1847, at Vienna General Hospital, Hungarian obstetrician Ignaz Semmelweis ordered the doctors and medical students working under him to disinfect their hands with chlorinated lime before examining women in labour. The mortality rate in his clinic had reached 18.3 percent…...
During pregnancy, some of a fetus’s cells cross into the mother and can remain there for decades, a phenomenon called fetal microchimerism. Years later, fetal-origin cells or DNA have been detected in maternal tissues including the liver, heart and brain.
2+ week, 3+ day ago (1205+ words) Pregnancy is usually described as one body carrying another for a limited time. Fetal microchimerism makes that boundary less tidy. During pregnancy, cells and genetic material can cross the placenta in both directions. Some fetal-origin cells enter the mother’s circulation....
Most City Mice Now Carry Genes That Help Them Survive Rat Poison
1+ mon, 1+ week ago (470+ words) Pest controllers had been muttering about it for years. In certain neighbourhoods the rodents simply would not go, no matter how faithfully the traps were baited with the usual chemicals. Something was off. The numbers, when they came back, were…...
Headset Lets Beginners Read an Ultrasound Like Veterans
1+ mon, 2+ week ago (424+ words) MIT researchers have developed a new approach to ultrasound imaging that allows the user to visualize a 3D augmented-reality image of the object being scanned. Using a virtual-reality headset, they can see a precise 3D digital representation of what the object actually…...
Chemicals You Were Exposed to Before Birth May Be Scrambling Your Future Children's DNA
2+ mon, 3+ week ago (82+ words) That phrase, “enduring influence,” is doing a lot of work here. The implication is that damage inflicted on the developing testis, in utero, does not resolve or reset. It compounds. Does this mean men whose mothers ate contaminated fish can’t…...
Sleep Meds While Pregnant Don't Raise Child's Risk of Psychiatric Disorder, Major Korean Study Finds
2+ mon, 3+ week ago (82+ words) Source: Cho et al., “Benzodiazepine or Z-hypnotic use during pregnancy and risk of psychiatric disorders in children: population based cohort study,” The BMJ, 2026 Does taking a sleeping pill during pregnancy harm the baby’s brain development? Why did earlier studies seem…...
Unlikely Partnership Inside Every Breastfed Baby's Gut
3+ mon, 5+ day ago (1264+ words) ScienceBlog.com is an independent daily science news publication covering peer-reviewed research across all major scientific disciplines. Founded in 2002, it is one of the longest-running science news sites on the internet. It curates and reports on breakthroughs from universities, research…...
The End of Mary and John: Why Parents Worldwide Are Ditching Common Names
5+ mon, 3+ week ago (526+ words) It’s happening everywhere researchers have looked. France, the UK, China, Indonesia. Seven nations spanning three continents, four cultural zones, and 220 years of naming data all point to the same pattern: common names are dying out, and uncommon ones are taking…...
Babies Sort the World at Two Months Old
5+ mon, 3+ week ago (442+ words) Baby Sadie attends her 2-month Foundcog scan with her mum, Donna. Baby Eli settles into a comfy beanbag, sound-cancelling headphones snug over his ears. On the screen above him, bright colours flash: a rubber duck, a shopping cart, a bird,…...
A Bigger Paycheck, a Safer Pregnancy
6+ mon, 2+ week ago (237+ words) The connection between money and health is rarely as direct as we imagine. We know that poverty grinds people down, but the mechanisms often stay hazy, buried in abstractions about “access” and “resources.” Now a study spanning nearly three decades…...