An example of simile in popular science writing:
"…it takes the skin cells two to four weeks to migrate through the four layers of the epidermis, changing their appearance like tiny chameleons…"
Catherone Carver
Carver, C. (2017). Immune. How your body defends and protects you. Bloomsbury Sigma. (Read about this book: 'Disease and immunity – a biological myth')
Read about examples of science similes