Descartes interpreted the pineal gland as the seat of the soul, the place in which the senses are processed and the thoughts formed.
captions from Wikipedia based on theme by Andrew of UT
Yanping Wang, of the Beijing Planetarium in Beijing, China, took this surprisingly gorgeous shot of sand - yes, that’s SAND - at 4X magnification, using reflected light. He took 14th place in the Nikon Small World Photography Contest.