Articles

When people think about anxiety, they usually think of it as just an overactive imagination or a temporary bout of nerves. But anxiety actually begins much deeper inside the microscopic communication networks of our brain. Our brains are equipped with a built-in alarm system designed to keep us safe from danger. At the center of this system is a tiny, almond shaped structure called the amygdala. When you face a real threat, the amygdala fires up and signals the hypothalamus,

mRNA therapy has rapidly become one of the most promising technologies in modern medicine. Instead of directly injecting proteins into the body, scientists can inject mRNA, allowing cells to produce therapeutic proteins themselves. However, once injected into the body, the rate of protein synthesis becomes uncontrollable because a large number of mRNA molecules are introduced at once. Therefore, numerous ribosomes bind to different parts of the mRNA simultaneously, resulting

Imagine a world: without impurities; without health complications; without the fear of disease or genetic imperfections. Why just imagine when we already have the technology to make this happen? As alarming as it sounds, we may be on a path towards a dystopian future thanks to scientific and technological advances that now allow us to edit the very DNA that defines our humanity. The emergence of CRISPR-Cas9 revolutionized genetic engineering, making this technology more eff

When people think about skin cancer, they usually think about the sun. But skin cancer actually begins much deeper — inside our cells. Our skin cells grow and divide in a very controlled way. Special genes act like instructions. Some tell cells when to grow, and others tell them when to stop. There are also “repair” genes that fix damaged DNA. One important gene is called p53. It checks if a cell’s DNA is damaged. If the damage is too serious, it tells the cell to destroy it

Marine biology is the scientific study of life in the oceans and other saltwater environments. Covering over 70% of Earth’s surface, the oceans are home to an astonishing diversity of organisms—from microscopic plankton to the largest animal ever to live, the blue whale. Marine biology not only seeks to understand these organisms and their ecosystems but also plays a crucial role in addressing environmental challenges such as climate change, pollution, and biodiversity loss.

On a seemingly ordinary day, a young, healthy individual may suddenly experience crushing chest pain—a symptom most people associate with long-term heart disease. Yet in some cases, the cause is not clogged arteries or years of unhealthy lifestyle choices, but a little-known and unpredictable condition called Spontaneous Coronary Artery Dissection (SCAD) . SCAD is an uncommon but increasingly recognized cause of heart attacks, particularly among women under the age of 50. Un

“I’m not bald. I’m just taller than my hair.” “His head is brighter than my future.” While often used in comedic punchlines, the true struggles and sufferings behind hair loss are not something anyone can judge without having experienced it themselves. Alopecia (the medical term for hair loss), suffered by over 50 million men and 30 million women in the United States alone, is not only prevalent but also has been documented throughout human history, yet no single remedy has

If you’ve ever been interested about reproduction or inheritance, you probably think that the DNA is the sole messenger for genetic traits. That’s not completely wrong, but recently, a group of scientists in Virginia discovered that the trait of longevity can be passed down without the alteration of DNA but with chemical signals inside cells. The key lies in lysosomes, which were thought to be merely the cell’s recycling site. In the Wang Lab at HHMI's Janelia Research Campu

Perfusion in spinach leaf (Worcestor Polytechnic Institute) When you look at a spinach leaf, you would probably think of a salad or a side dish, not a future medical tool. However, scientists have found that the structure of the spinach leaf could one day help repair damaged human hearts. A major challenge in the cardiology department is to find a way to grow thick, strong heart tissue in a lab to use to support a damaged heart. When someone experiences a heart attack, heart

After discovering remedies for smallpox, developing antibiotics, and pioneering vaccines that have saved millions of lives, humans are still facing one of the greatest medical challenges of all: cancer. Cancer, a disease characterized by the uncontrollable growth and spread of abnormal cells, remains one of the most feared illnesses worldwide, largely because there is still no single, definitive cure that works universally and without severe side effects. Current treatments

For many years, skin cancer was viewed primarily as a disease of older adults. However, epidemiological data show that melanoma is now one of the most common cancers diagnosed in adolescents and young adults in several countries. In high-UV regions such as Australia, melanoma is among the leading cancers affecting individuals aged approximately 15–39 (Australian Institute of Health and Welfare, 2023). Similar patterns have been reported in other populations. A major biologica

Millions of lives are lost during accidents and wars – not because injuries are fatal, but because bleeding is uncontrolled. Before patients reach a hospital, the available treatments are just bandages and cotton gauze. These rely on manual pressure, exhibiting poor hemostasis, or the mechanism that leads to cessation of bleeding from a blood vessel. They frequently stick to the blood clot and its removal can disrupt new tissues, trigger re-bleeding, and leave fibrous residues

Immortality. The distant hope that humans have pursued for centuries has long been confined to mythology, religion, and science fiction. From the elixirs sought by ancient emperors to modern anti-aging industries, the desire to overleap biological limits remains deeply rooted in human curiosity. In recent decades, however, this aspiration has begun to shift from imagination to scientific investigation. At the center of this discussion lie telomeres and telomerase, microscopic