Ingesting too much fluoride can cause fluorosis. Symptoms of mild dental fluorosis are white flecks or spots on the teeth; ...
Fluoride is a mineral that occurs naturally in water, rocks and soil. It has been added to toothpastes, other dental products ...
The ROV was used to drill holes in the ocean floor and lift rock slabs to reveal fluid-filled cavities beneath the hydrothermal vents. The team discovered that the cavities were inhabited by adult ...