According to an article in the journal Science, the opah is a rarity: A warm-blooded fish that can swim fast by flapping its fins like water wings as it speeds through the water. The movement speeds the opah's metabolism and heats its blood, leading to better reaction times, according to researchers.
Itching in the nose, together with an increase in the amount of nasal mucus, are both signs that you have some inflammation inside they nose. There are at least two common causes of this. The first would be a common viral infection, such as the common cold. This may begin with itching and increased mucus in the early days of the infection prior to progressing to a full blown cold with nasal congestion, cough, and other symptoms.
Causes. The lining of your nose contains many tiny blood vessels that lie close to the surface and are easily damaged. The two most common causes of nosebleeds are: 1  Dry air â when your nasal membranes dry out, they're more susceptible to bleeding and infections.2  Nose picking.auses. The lining of your nose contains many tiny blood vessels that lie close to the surface and are easily damaged. The two most common causes of nosebleeds are: 1  Dry air â when your nasal membranes dry out, they're more susceptible to bleeding and infections. 2  Nose picking.