Life & Biology

The central dogma of molecular biology is often introduced as a simple sequence: DNA makes RNA, and RNA makes protein. It is one of the…

Breathing seems simple enough. Air enters the lungs, oxygen moves into the blood, and carbon dioxide leaves the body when we exhale. But the lungs…

Imagine two animals standing side by side. They have almost identical bodies, the same colors, and nearly indistinguishable features. You might assume they belong to…

Every birthday marks another year of life. The date is easy to identify: it is the day a person was born. But human development does…

Your stomach contains acid strong enough to help break down food, yet the stomach itself is not normally digested by that acid. Every day, its…

Bending down to tie your shoes, reaching for something on a high shelf, or turning to look behind you can feel effortless when you are…

After spending a long time in a bath, swimming pool, or even a bowl of water, you may notice something strange happening to your fingertips….

A hiccup can appear out of nowhere. Your chest suddenly jerks, your breathing is interrupted for a moment, and a familiar “hic” escapes from your…

A bruise can look almost purple or blue shortly after an injury, then gradually develop greenish and yellow tones before disappearing. It may seem like…

When a wound forms on the skin, an undeniable itching sensation follows after time passes. We analyze the cause of this phenomenon from a biological…