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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.