A second pregnancy changes the brain in a different way from the first, new research suggests

Second pregnancy changes the brain in surprising new ways A woman’s brain changes in very different ways during her second pregnancy compared with her first, helping her adjust to the demands of raising a larger family.The discovery comes from a study by researchers at Amsterdam University Medical Center, published in the journal Nature Communications. Scientists…

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Japan does not use modern nails to repair centuries-old temples. Instead, master craftsmen rely on an ancient woodworking technique

Japan does not use modern nails to repair centuries-old temples. Instead, master craftsmen rely on an ancient woodworking technique (Representational AI photo) Centuries-old temples in Japan are still repaired without using modern nails, screws or metal brackets. In Japan, master carpenters instead continue to follow an ancient woodworking technique that has been passed down generations…

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Gold: Scientists finally know why gold never tarnishes, and the secret lies in its self-protecting surface

Why gold never tarnishes has finally been explained For thousands of years, humans have valued pure gold because it stays bright and shiny without becoming dull. Now, scientists have discovered that gold has a tiny self-protection system that actively stops oxygen from damaging its surface.The breakthrough comes from researchers at Tulane University, who found that…

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This routine US Navy training mission near California turned into one of the most discussed UFO cases in recent history

An unidentified flying object shown in a photo first obtained by the New York Times. A routine US Navy training mission off the coast of Southern California in November 2004 turned into one of the most discussed unidentified flying object (UFO) cases in recent history. Nearly two decades later, the incident is still being debated…

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Quote of the day by German mathematician Carl Friedrich Gauss: “When a philosopher says something that is true then it is trivial. When he says something that is not trivial then it is false” – a simple explanation of why truth is often simpler than it seems |

Carl Friedrich Gauss (Image: Wikipedia) Most people assume that if an idea sounds complicated, it must also be profound. Carl Friedrich Gauss, one of the greatest mathematicians in history, was not convinced. “When a philosopher says something that is true then it is trivial,” he observed. “When he says something that is not trivial then…

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MIT developed a tiny origami robot that folds itself and it could one day work inside the human body |

Imagine placing a flat piece of plastic on a warm surface and watching it fold itself into a fully functional robot without human hands, motors or complex assembly. It may sound like science fiction, but researchers at the Massachusetts Institute of Technology (MIT) demonstrated exactly that with a tiny, origami-inspired robot designed to assemble itself…

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Brazil is releasing millions of genetically modified mosquitoes to fight one of its worst dengue outbreaks in years |

Brazil is dealing with one of its worst dengue fever outbreaks in years, and scientists are trying something unusual to bring the numbers down. Instead of just relying on vaccines and mosquito spray, health teams are releasing genetically modified mosquitoes into several cities, hoping these lab-bred insects will help shrink the population of disease-spreading mosquitoes…

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