The sinuses are cavities, or air-filled pockets, near the nasal passage. Like the nasal passage, the sinuses are lined with mucous membranes. There are four different types of sinuses: 1  Ethmoid sinus. 2  Located inside the face, around the area of the bridge of the nose. 3  This sinus is present at birth, and continues to grow. 4  Maxillary sinus.
AARP Social Security Resources. If you and your spouse file a joint return with a combined income below $32,000, your benefits are out of reach. For income between $32,000 and $44,000, up to 50 percent of benefits may be taxable, and up to 85 percent if combined income is more than $44,000. For more information, go to Social Security's website.
For more information, go to Social Security's website. Q: How much money does the federal government collect from taxes on Social Security, and what happens to that money? A: In 2012, Social Security beneficiaries paid a total of $45.9 billion in income taxes on their benefits. The Social Security Trust Funds, from which benefits are paid, received $27.3 billion, while the Medicare Hospital Insurance Fund (HI) got $18.6 billion.