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.
10 Reasons You Have a Runny Nose. Sniff, blow, wipeâ¦sniff, blow, wipeâ¦It's the seemingly endless cycle of a runny nose. It's quite common, yet highly annoying -- a runny nose. Your nose drips when your nasal tissues and blood vessels produce excess fluid or mucus, according to the Mayo Clinic. This excess fluid also runs down the back of your throat in the dreaded post-nasal drip. Sometimes you'll have nasal congestion along with your runny nose, but not always. Dozens of things can cause your nose to run, from a variety of allergies and illnesses to more serious conditions like a deviated septum. Certain medications, stress and even pregnancy can also cause a runny nose.