The sun-orbiting <a href="http://www.nasa.gov/mission_pages/soho/index.html">SOHO</a> spacecraft captured this image of filaments erupting off the sun's surface and magnetic plasma blasting into space. The field of view of this image, seen in ultraviolet light, extends some 1.243 million miles from the solar surface.
The divorce rate among people 50 and older has doubled in the past 20 years, according to research by Bowling Green State University sociologists Susan Brown and I-Fen Lin. Their paper, "The Gray Divorce Revolution," examines the factors driving the trend.
Most people are familiar with Leonardo Da Vinci's Vitruvian Man: A nude man, with his arms and legs stretched, inside a square within a circle.
Toby Lester tells the story behind the drawing and Da Vinci's zeal to create an image of the perfectly proportioned human in Da Vinci's Ghost: Genius, Obsession, and How Leonardo Created the World in His Own Image.