Articles for tag: aging, Cellular aging, Human Biology, Metabolism

an older woman holding a baby's hand

The Real Reason We Age: Science Uncovers the Mechanisms of Time

Suhail Ahmed

  Somewhere between your childhood reflection and the face you see in the mirror today lies one of biology’s greatest riddles: why do we age at all? For most of human history, wrinkles, gray hair, and aching joints were treated as an unavoidable blur called “getting old,” not a process with precise molecular gears and ...

Extreme close-up of a spore and cell structures observed under a microscope, highlighting intricate biology details.

The Secret Battle of Metals Inside Every Living Cell

Jan Otte

Hidden deep within each living cell, there is an unseen battle that ensues not among microbes or viruses, but among metal ions battling for supremacy. Zinc, copper, manganese, and other transition metals compete over binding sites within proteins, each competing for authority over life’s vital chemical reactions. Scientists have long been aware that cells jealously ...