Lotus love warmth. If you pull your lotus container out of the pond and place it in full sun in the spring (after frost danger is over), the lotus will grow faster because it will warm up more. Keep some water over the soil, and return it to the pond by early summer, once warm weather is here to stay.
The cerebral cortex is the layer of the brain often referred to as gray matter. The cortex (thin layer of tissue) is gray because nerves in this area lack the insulation that makes most other parts of the brain appear to be white.
  In short, the cerebral cortex is the outer and largest part of the brain, that covers its smaller parts and is usually easily visible on brain illustrations. The Basic Functions of the Cerebral Cortex The cerebral cortex is the outer layer of the human brain that surrounds the cerebrum and cerebellum.