Descartes interpreted the pineal gland as the seat of the soul, the place where senses are processed and thoughts formed.
based on theme by
Andrew of UT
The see-through skin of an 2.5-centimeter-long glass frog reveals her eggs. Native to Venezuela, the frogs lay eggs in bushes and trees overhanging streams. Tadpoles hatch, then tumble into the current to be swept away.