Fresh Science Trends

The researchers engineered a nanopore that mimics synaptic plasticity — it “learns” from repeated voltage pulses, showing basic memory-like behavior similar to neural synapses.   1. Discovery by EPFL scientists : Researchers from Ecole Polytechnique Fédérale de Lausanne (led by Matteo Dal Peraro and Aleksandra Radenovic) have explained why biological nanopores sometimes behave unpredictably. 2. Focus on aerolysin : The study used the bacterial nanopore aerolysin , a common tool in biotechnology, and created 26 engineered variants by modifying its internal charged amino acids. 3. Two key puzzling behaviors explained:    - Rectification: Ion flow changes depending on the direction (sign) of the applied voltage .    - Gating: Sudden decrease or complete stop of ion flow through the pore . 4. Root cause identified: Both rectification and gating are governed by the electrical charges lining the inside (lumen) of the nanopore and how they interact with p...

It is a common MISTAKE of people worldwide that they think PCOS/PCOD is almost irreversible and incurable. But, in fact, it is completely false. Let's dive into the solution first by understanding the perspectives of the disorder and syndrome. Polycystic Ovarian Syndrome (PCOS) Ultrasound Report Source: YouTube Definitions -  PCOD (Polycystic Ovarian Disease) and PCOS (Polycystic Ovary Syndrome) are related hormonal disorders affecting women's ovaries, often used interchangeably in casual talk, especially in India. PCOS is the medically recognized term worldwide — a common endocrine and metabolic disorder (affecting ~10-15% of women of reproductive age). It involves hormonal imbalance with elevated androgens (male hormones), leading to irregular or absent periods, excess hair growth (hirsutism), acne, weight gain, infertility, and small fluid-filled sacs (follicles) on ovaries. It increases risks for diabetes, heart disease, and endometrial issues. PCOD is a term m...

Ultra-processed foods are not just expanding waistlines—they may be quietly reshaping the brain itself. A groundbreaking study of nearly 30,000 people has found that heavy consumption of ultra-processed foods is linked with measurable changes in brain regions that help control hunger, reward, and self‑control. These subtle shifts could help explain why that bag of chips or box of cookies is so hard to stop eating, even when the stomach says “enough.” When food starts to “rewire” the brain An international team from the University of Helsinki, McGill University, and other partners analyzed brain scans and diet data from the UK Biobank, a massive health database of middle‑aged adults. They discovered that people who ate the most ultra‑processed foods showed structural differences in key feeding‑related brain areas, including regions involved in reward, motivation, and appetite regulation. ​ These changes appear to form a feedback loop: ultra‑processed foods may alter the brain circuits t...

A new kind of cholesterol treatment is emerging from the lab—and it does not rely on statins. Researchers from the University of Barcelona and the University of Oregon have developed a DNA‑based therapy that switches off a key cholesterol‑controlling gene, cutting “bad” LDL cholesterol by nearly 50% in animal models without the muscle pain and other side effects that drive many patients to abandon traditional drugs. Turning down cholesterol at the gene level At the heart of this breakthrough is PCSK9, a protein that tells the body to remove LDL receptors from the surface of liver cells. When PCSK9 is overactive, fewer receptors are available to clear LDL from the blood, and cholesterol levels climb, increasing the risk of atherosclerosis and heart attack. The new strategy uses tiny DNA molecules called polypurine reverse Hoogsteen hairpins—PPRHs for short—to silence the PCSK9 gene before it can make this protein. ​ Crystal Structure of PCSK9 Source: PDB Two specially designed PPRHs, ...