Hepatitis B and C are spread through blood and body fluids. To cut your risk, don't share items like toothbrushes, razors, or needles. Limit the number of sex partners you have, and always use latex condoms. There's no vaccine yet for hepatitis C, but there is one for hepatitis B.
This gives their neck greater flexibility so they can turn it around to 270 degrees. They have to do this because, unlike us, they cannot move their eyeballs at all in any direction. <br /> Owls can't really turn their head all the way around. They can turn their head 270 degrees (3 quarters). Owls have fourteen vertebrae bones in their necks which is twice as many as humans. This gives their neck greater flexibility so they can turn it around to 270 degrees. They have to do this because, unlike us, they cannot move their eyeballs at all in any direction. Owls can't really turn their head all the way around.
If an owl put its talons in its ears, one talon would be higher on its head than the other talon. Having asymmetrical ear placement means that sounds reach the owl's ears at different times. Image courtesy of Idaho Fish and Game. As the owl lowers or raises its head, it can position its head so the sound reaches both ears at the same time. When this happens, it means that the source of the sound is directly in-line with the owl's face.