Contributions

Samantha Yammine edited the text. She is a Science Communicator nearing the end of her PhD at the University of Toronto studying how stem cells build and maintain the brain. You can follow her on InstagramFacebook and Twitter.  
Ernesto Llamas wrote the text and made the illustrations. He obtained his PhD in Biotechnology from Universitat de Barcelona. Creator of Sketching Science. You can follow him on Instagram as @eellamas