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The Conversation
The Conversation
Guosong Hong, Assistant Professor of Materials Science and Engineering, Stanford University

Yellow food dye can make living tissue transparent − these methods could one day improve cancer treatment, blood draws and even tattoo removal

A dye called FD&C Yellow 5 could have some useful scientific properties. Noppawat Tom Charoensinphon/Moment via Getty Images

Why isn’t your body transparent? Some animals such as jellyfish, zebra fish and some glass frogs have see-through bodies. But most mammals, including humans, aren’t transparent.

While the idea of a transparent body might seem odd or even a bit creepy, it could actually be really helpful for doctors. If our bodies were transparent, doctors could easily see inside to diagnose diseases in organs such as the liver, spleen and brain. They wouldn’t need invasive procedures such as biopsies or expensive machines such as CT scanners and MRIs.

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