Toxoplasma gondii infection, which was recently found to increase human facial symmetry and attractiveness, makes Danish women become successful entrepreneurs. Open-label placebos reduce feelings of guilt, and video game loot-box purchases are strongly correlated with problem gambling. Exeter researchers sought gamblers to treat with ketamine, and other Exeter researchers who reared pheasant chicks, trained them on cognitive puzzles, and released them into the wild found that they were likelier to be eaten by foxes near the edges of their home range. A Finnish researcher warned of rising sexual inequality and loneliness in straight men, noting that 5 percent of them have half of all penile-vaginal sex. Erogenous mapping revealed a pronounced preference for the tip of the penis and the middle third of the ventral penile shaft among circumcised men. A long-legged teen with cubitus varus and shotty testicles was diagnosed with 49,XXXXY syndrome. Biologists studying Lamprologus callipterus identified the chromosomal difference between bourgeois males, who are large enough to lift the shells needed for female brooding, and dwarf males, who are small enough to sneak inside the shells and fertilize the females. Chinese researchers described the gonadal development of the dwarf surf clam, and astrophysicists discovered the tightest ultracool dwarf binary. Downregulation of Sonic Hedgehog signaling was found to promote genital warts.
Neanderthals roasted brown crabs in Gruta da Figueira Brava ninety thousand years ago, genetic taint from chickens has disrupted the red jungle fowl genome, and Vikings brought over their own animals in addition to stealing them from Britons. A Coccocephalus wildi fossil discovered in a coal mine in England a century ago was found to possess the oldest well-preserved vertebrate brain, and no evidence of evisceration was found among previously undisturbed crocodile mummies of varying quality at Qubbat al-Hawa. Dolphins whistle louder and longer to communicate over anthropogenic noise. An analysis of the feces of Japanese macaques in Kamikochi suggested the active predation of fishes. The common quail was suspected as an unknown reservoir of Toscana virus and sandfly fever Sicilian virus. The Alongshan virus, discovered five years ago in China, appeared in Swiss ticks. Temnothorax rugatulus rock ants combine systematic meandering with random walks to search for food. Mouthwear in crickets was compared with that of tyrannosaurids.
Researchers in Ireland asserted that there is no fetal microbiome; tiny bites of solid food reduce breastfeeding duration; and living near green environments increases the oligosaccharide diversity of a mother’s milk. Xenobiotics that are likely to originate in personal care products were found in the vaginas of mothers who gave birth prematurely. American children may be poisoned by the makeup they use for playing dress-up. Parental separation leads to an increase in a child’s unstructured time, and five different genetic variants increase the risk of nearsightedness the more schooling one receives. The administration of chemotherapy in the afternoon reduces female lymphoma patients’ mortality rate by a factor of 12.5. Mpumalangans with HIV experience delayed melatonin release and shorter sleep cycles. Shenzhen adolescents left behind by their migrating parents have problems with their sleep and mental health. Climate change was found to be an important motivation for Polish antinatalists. The number of homes burned per square mile of wildfire in the American West is increasing. Mycotoxins were appearing frequently in Lebanese spices and nuts.