NPR's Juana Summers talks with Regina Barber and Emily Kwong of Short Wave about "scuba-diving" lizards, a trick to turn a mouse's skin transparent and whether finger counting helps kids' math skills.

A commonly used food coloring can make the skin of a living mouse transparent, allowing scientists to see its organs function, according to a new study.

A discovery that a common food dye temporarily caused a mouse's skin to appear transparent could have wide-ranging effects on the medical industry, the researcher told Fox News Digital.

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“Wow!” That was pretty much our reaction when we learned that scientists had used food dye to turn a living mouse temporarily transparent.

“But when we put them together, we were able to achieve transparency of the mouse skin.” Once the dye had completely diffused into the skin, the skin became transparent.

Tartrazine, a dye used in making Doritos, has a light-absorbing quality that researchers used to apply to mice so they could see through the skin.