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The Human Eye Can Distinguish Around 10 Million Colours

The Human Eye Can Distinguish Around 10 Million Colours

The human visual system can theoretically distinguish up to 10 million different colours, thanks to three types of cone cells in the retina — yet we have no names for the vast majority of them.

March 28, 20263 min4,125
Your Gut Contains More Bacteria Than Cells in Your Entire Body

Your Gut Contains More Bacteria Than Cells in Your Entire Body

The human body contains roughly 30 trillion human cells — but hosts approximately 38 trillion bacterial cells, mostly in the gut. You are, by cell count, more bacteria than human.

March 2, 20264 min964