What If Humans Were Silicon-Based Instead of Carbon-Based?

What If: Science, Theory, and Possibilities · Oct 14, 2025 · 9m

Carbon is the primary building block of life on Earth. What if we replaced human life with silicon? Explore how silicon-based humans might look and act.

Timeline:

00:00 Silicon-based life

00:53 Carbon life

02:32 Weak double bonds

03:42 Molecule movement

04:19 Sulphuric acid oceans

Transcript and sources: What If website

Questions or concerns? Contact us at Underknown

Get our 100 best episodes in one mind-blowing book: Order here

Join this channel to get access to perks: Join us

Check out our other channels:

How to Survive

Aperture

Crazy Creatures

Your Body On

Origins of Food

Versus

WTF Did I…