IFLScience
shared a link post in group #IFLScience
www.iflscience.com
The Black Stains On Leonardo Da Vinci's Codex Atlanticus Explained
In 2006, strange black stains began to appear on the Codex Atlanticus.
Comment here to discuss with all recipients or tap a user's profile image to discuss privately.
Embed post to a webpage :
<div data-postid="xgeyyey" [...] </div>