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Are humans getting smarter even as our brains shrink? Research suggests brain size may have decreased by about 10% since the Holocene era, but this doesn’t mean intelligence has declined. Experts studying Homo sapiens say brain size is only weakly linked to intelligence — factors like brain structure and connectivity matter more.Scientists propose several reasons for this shift, including changes in lifestyle after agriculture, warmer climates, and the rise of collective intelligence, where knowledge is shared across society.Rather than becoming less intelligent, humans may have evolved to rely more on culture, technology, and collaboration to think and solve problems.

A new study from the University of Oulu reveals that inconsistent bedtimes may significantly increase the risk of serious heart problems. People who slept less than eight hours and had irregular sleep schedules faced nearly double the risk of major cardiovascular events like myocardial infarction and cerebral infarction.Interestingly, irregular wake-up times did not show the same effect, highlighting bedtime consistency as key.The long-term study followed participants for over a decade, showing how daily routines impact heart health. Experts suggest maintaining a regular sleep schedule as a simple step toward better cardiovascular well-being.

A major 10-year study challenges the effectiveness of partial meniscectomy, one of the most common knee surgeries worldwide. Researchers found that patients who underwent the procedure had no better outcomes than those who received sham surgery — and in many cases, did worse.Participants reported more pain, reduced knee function, and a higher risk of developing osteoarthritis, along with increased chances of needing further surgery.The findings suggest this widely used treatment may be a “medical reversal,” urging doctors to rethink its use and consider non-surgical approaches for knee pain management.

A groundbreaking clinical trial shows that giving immunotherapy before surgery may transform outcomes for colorectal cancer patients. In the NEOPRISM-CRC study, treatment with pembrolizumab for just nine weeks led to remarkable results — no patient experienced cancer recurrence after nearly three years.Around 59% of patients had no detectable cancer even before surgery, and others remained stable without progression.Researchers also developed personalized blood tests to track tumor DNA, helping predict treatment success.This approach could replace chemotherapy for some patients, offering more effective, personalized, and long-lasting cancer care.

Scientists have made a major advance in treating Type 1 Diabetes by creating highly functional insulin-producing cells from stem cells. Developed at Karolinska Institutet, these lab-grown cells showed strong responses to glucose and successfully restored blood sugar control in diabetic mice.The new method improves cell maturity and reduces unwanted cell types by forming natural 3D clusters. After transplantation, the cells continued working for months, demonstrating long-term potential.This breakthrough brings scientists closer to personalized stem cell therapies, offering hope for a future cure for diabetes.

A groundbreaking study reveals that the brain continues processing sounds and language even under general anesthesia. Using advanced recordings from the hippocampus, scientists found that neurons could still detect unusual sounds and even process speech patterns.Remarkably, the brain showed plasticity, meaning it adapted and improved its responses over time — despite the person being unconscious. It could also predict upcoming words, hinting at deeper language processing.These findings challenge the belief that complex cognition requires consciousness, suggesting the brain remains surprisingly active and responsive even when we are fully unaware.

Scientists have uncovered a hidden layer of biology, revealing that previously overlooked genetic regions can produce tiny proteins. A large study by the TransCODE Consortium found that about 25% of non-canonical DNA regions generate detectable peptides, expanding our understanding of the human proteome.These newly identified molecules include microproteins and a new class called “peptideins,” which may have important but still unclear functions.This breakthrough challenges the idea that only well-known genes produce proteins and opens new pathways for studying disease, drug targets, and human biology at a deeper level.

A new study reveals that insect pollinators are vital for both nutrition and income in vulnerable farming communities. Research in Nepal found that pollinators like honeybees, bumblebees, and hoverflies contribute to 44% of farming income and over 20% of key nutrients such as vitamin A, folate, and vitamin E.However, declining pollinator populations could worsen poverty and malnutrition.The findings highlight that protecting biodiversity isn’t just environmental - it directly supports human health and livelihoods, offering sustainable solutions for millions of smallholder farmers worldwide.

Scientists have developed a powerful new CRISPR-based method to selectively eliminate harmful cells using CRISPR–Cas12a2. Unlike traditional approaches, this system activates when it detects specific RNA inside a cell, triggering widespread DNA breaks that lead to cell death.This technique can precisely target cells carrying viruses like Human papillomavirus, cancer mutations such as KRAS, or cells that failed gene editing.The breakthrough expands CRISPR’s potential beyond editing genes to removing unwanted cells, offering promising applications in cancer therapy, biotechnology, and precision medicine.

A new study highlights a surprising protective role of androgens in brain cancer. In models of glioblastoma, reducing androgen levels accelerated tumor growth by disrupting immune defenses.Researchers found that androgen loss activates the HPA axis, increasing stress hormones and weakening T-cell function. This creates an immunosuppressive environment that allows tumors to grow faster.Interestingly, testosterone treatment was linked to improved survival in male patients.These findings challenge previous assumptions about hormones in cancer and suggest that brain tumors follow unique, organ-specific immune pathways, opening doors for targeted therapies.