Shashanka S, M.Sc 
Every few weeks, a new headline seems to promise the secret to preventing dementia. One day it’s blueberries, the next it’s crossword puzzles or a miracle supplement. If only it were that simple. The truth is both more complicated and more hopeful. Scientists have not found a guaranteed way to …
Losing a permanent tooth has always seemed like a one-way journey. Unlike a lizard that can regrow its tail or a shark that continuously replaces its teeth, humans get only two sets of teeth in a lifetime. Once an adult tooth is lost, it never grows back naturally. For decades, …
A few decades ago, if doctors wanted a closer look inside the body, they often had to perform surgery. Today, that’s rarely necessary. Thanks to modern medical imaging, doctors can examine organs, bones, blood vessels, and even the brain without making a single incision. Among the most commonly used imaging …
For nearly a century, fungi have quietly transformed medicine. They gave us penicillin, the antibiotic that revolutionised the treatment of bacterial infections, and statins, the cholesterol-lowering drugs taken by millions of people worldwide. Yet scientists have long suspected that these familiar organisms are hiding far more chemical treasures than we …
For decades, biology students have learned one of the most fundamental ideas in life science: the Central Dogma. Proposed by Francis Crick in 1958, it explains how genetic information normally flows inside living cells: DNA → RNA → Protein. In simple terms, DNA stores the genetic instructions, RNA carries those …
When we think of volcanic eruptions, we usually imagine glowing lava, thick clouds of ash, and rivers of molten rock—not gold. Yet deep in Antarctica, Mount Erebus, one of the world’s southernmost active volcanoes, does something truly extraordinary. Along with steam and volcanic gases, it releases tiny crystals of real …
“Imagine what humans could achieve if we used 100% of our brains.” It’s a claim that appears in motivational talks, movies, and on social media. But is there really a hidden 90% of the brain waiting to be unlocked? The short answer is no. Your brain is one of the …
You take a bite of something spicy. Within moments, your nose starts running, your eyes begin to water, and you may even begin to sweat. Then you wonder whether you should have ordered something milder. So what’s going on? Is the chilli really making your body hotter, or is your …
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