Excalidraw is an innovative online whiteboarding tool that uses the power of artificial intelligence (AI) to convert simple text prompts into detailed, professional-quality diagrams. Whether you ...

At the beginning of the 20th century, Santiago Ramón y Cajal, often called “the father of modern neuroscience,” made it clear: In adults, “the nerve paths are something fixed, ended, and immutable.

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known ...