The yellow is the region where fluid flow from the Earth's outer core is the greatest. Red mush is the inner core boundary. Large flows exist on an imaginary tangent cylinder due to the effects of the Earth's rotations, fluid viscosity and the presence of the solid inner core within the spherical shell of the outer fluid core.
Growth Rates. Fingernails grow approximately 2 to 3 millimeters, or about 1/8 inch, per month. Toenails grow slower than fingernails, at a rate of about 1 mm per month. Hair, on the other hand, grows at a much faster rate: roughly Â¼ to Â½ inch per month, or 6 inches per year. In fact, after bone marrow, hair is the fastest growing tissue in the body.
Intrigued? Here are 15 more things you might not know about your nails: Fingernails grow an average of 3.5 millimeters per month. That's just over a tenth of an inch. And nails on your dominant hand tend to grow faster. Toenails, on the other, uh, hand, grow an average of 1.6 millimeters a month, according to the American Academy of Dermatology. White spots on your nails don't indicate a calcium deficiency. Calcium deficiency causing white spots on nails is the most common myth, followed by zinc deficiency.