Technically, a sinus infection (sinusitis) is not an infection, but it refers to the inflammation or swelling of the tissues that line the sinuses. Such swelling or inflammation occurs when the sinuses get blocked and filled with fluid (mucus).
Master Investigators Box. The Master Investigators Box holds the keys (which are four rings, Katarina's Ring, Treoy's Ring, Balwen's Ring and Pithi's Ring) to the Daedric Relic. The chest is located on the wall to the North/West side of The Arcanaeum. The key to the chest is located in the Midden Dark on a table in the room with the Daedric Relic, on top of a book called Midden Incident Report. Once the rings are acquired they can then be placed on the Daedric Relic to release Velehk Sain.
Yes, Uranus has 9 brighter rings as well as several fainter rings. Some of the larger rings are surrounded by belts of fine dust. The outermost ring is made up of ice boulders several feet across. The other rings are made up mainly of icy chunks darkened by rocks. The rings are thin, narrow, and dark compared to the rings of other planets. They are actually so dark that they reflect about as much light as charcoal. The rings may have been formed by the break up of a small moon.