David Stone
Founder & Euro Editor
Navigating Apps with Changes in Memory: Join Our Study
December 2, 2025
Weill Cornell Medicine seeks older adults with mild memory loss for a study on improving navigation apps. Participation is valuable,...
What is the small brain inside your heart?
The small brain inside your heart is a recent discovery. Scientists are still trying to understand its role. This little-known organ is called “the cardiac ganglion.” It’s located in the sinoatrial node, which is the heart’s natural pacemaker. Studies show…
You Have Three Brains: How Does That Work?
By David Stone Assorted Ideas, Large & Small What’s the hardest part of loving your three brains? Knowing you really have three? But you’ve known about them all along, haven’t you? Take a look. “Use Your Head” We’ve all heard…
Dizzying Conflicts: Thoughtful Meditation On What We Really Are
This Internal-External Realities Meditation comes from the final section of A Million Different Things: Meditations of The World’s Happiest Man. It’s concerned with the strange, maybe imaginary, border between our internal and external realities.
David Stone
Founder & Euro Editor