There are many ways to get different effects from your markers. It is a good idea to use quality paper with them as the colour from the markers can go through thin paper and ruin your designs.
A new research paper was published in Aging (listed by MEDLINE/PubMed as "Aging (Albany NY)" and "Aging-US" by Web of Science) on December 5, 2024, Volume 16, Issue 22, titled "DNA-methylation age and ...