Since 2012
GLP-1 drugs like tirzepatide and semaglutide offer powerful weight-loss effects but come with unanswered questions about long-term safety, side effects, and global accessibility. Researchers stress the need for independent studies before these treatments can be fully embraced worldwide.
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Researchers discovered that copper oxide catalysts form metallic copper mid-reaction, triggering a dramatic boost in ammonia output. The insight offers a roadmap for designing cleaner, more efficient ammonia-production technologies. Source link
People who smoke only a couple of cigarettes a day still face surprisingly high risks of heart problems and early death. A large review of long-term studies shows that even very light smokers can see their risk of heart failure climb sharply. While quitting leads to major health improvements, some risk remains for decades. The safest approach is quitting entirely, especially at younger ages. Source link
After the collapse of the Chalcolithic culture around 3500 BCE, people in Jordan’s Murayghat transformed their way of life, shifting from domestic settlements to ritual landscapes filled with dolmens, standing stones, and megalithic monuments. Archaeologists from the University of Copenhagen believe these changes reflected a creative social response to climate and societal upheaval. Source link