Carver also worked at developing industrial applications from agricultural crops. During World War I, he found a way to replace the textile dyes formerly imported from Europe.
In order to smell something, molecules from that thing must make it to your nose. Everything you smell is giving off molecules - whether it's bread in the bakery, onions, perfume or a piece of fruit. Those molecules are generally light chemicals that evaporate easily. They float through the air into your nose. A block of steel has no smell - nothing evaporates from it.
Common Questions and Answers about Stroke signs smell. stroke. For several months now I have had a constant sweet smell and taste in my nose and mouth. I consulted the doctor and had all the blood tests required for diabetes etc. All the tests came back normal. The doctor said that it could be a sinus infection, and all he could do is prescribe an anti-biotic.