Ever wondered what a cat's tongue looks like under a microscope? Neither have we, until we came across a widely shared social media post of a magnified cat's tongue that looks like, well ...

A composite image of a section of cat tongue plated on a microscope slide, dating back to the 1890s. The yellow streaks are horizontal muscles, the sparse purple streaks are vertical muscles, and the ...

for the return journey, of any dirt or blood that needs removing. The cat’s tongue therefore “acts like a loofah and a sponge at the same time”, says Dr Hu.