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.
Rings of Uranus. The rings of Uranus are a system of rings around the planet Uranus, intermediate in complexity between the more extensive set around Saturn and the simpler systems around Jupiter and Neptune. The rings of Uranus were discovered on March 10, 1977, by James L. Elliot, Edward W. Dunham, and Jessica Mink. William Herschel had also reported observing rings in 1789; modern astronomers are divided on whether he could have seen them, as they are very dark and faint. By 1978, nine distinct rings were ide