14hon MSN
Scientists recover DNA from a Leonardo da Vinci drawing - and it could shed light on his genius
Scientists have recovered a sample of DNA from a Leonardo da Vinci drawing that could belong to the Renaissance polymath.
Excalidraw changed that for me. It's a free, browser-based diagramming tool with a hand-drawn, whiteboard-style aesthetic. It doesn't require you to sign up, no software to install, and the minimal ...
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