This geometric figure — first identified by dentist William Bonwill in 1864 — is formed by connecting the two points where ...

Leonardo da Vinci sketched what he believed was the perfectly proportioned male body. Now, a dentist claims to have worked ...

A dentist in London cracked the secret of how Leonardo da Vinci placed a perfectly proportionate human figure sketch inside a ...

The Vitruvian Man - a famous drawing by Rennaissance artist Leonardo da Vinci in 1490 - depicts a nude male figure with his ...

New research suggests that modern conditions may trace back to Neanderthal skull traits we share with our extinct cousins.

How a centuries-old math puzzle helped us see inside the human brain. By Steven Strogatz Photo illustrations by Jens Mortensen Each installment of “Math, Revealed” starts with an object ...

Geometric Model by A. Harry Wheeler, Hexagon Transformable into a Triangle, Plane Dissection National Museum of American History ...

maker Wheeler, Albert Harry Description This cut and glued clear plastic model is one of several in which A. Harry Wheeler illustrated properties of polar spherical triangles. A sticker on it reads: ...