Noncancerous tumors. Noncancerous tumors may develop in the ear canal, blocking it and causing hearing loss and a buildup of earwax. Exostoses occur in people who swim in cold water, such as scuba divers and surfers. Surfer's ear is a common term for bony exostosis in the ear canal. The most effective treatment for these noncancerous bony tumors is surgical removal. After treatment, hearing usually returns to normal.
No, a bar of gold (like the ones at Fort Knox) weights roughly 400 troy ounces, or about 27.5 pounds.
Olympic barbells weigh 44.1 pounds (i.e. 20 kilograms) whereas many standard American bars weigh 45 pounds. The 1-pound difference is not very much, but if you want to know the exact weight of your bar, you will have to weigh it to be sure.