1 The meniscus is a rubbery C-shaped disc that cushions your knee and acts as a shock-absorber. 2  It also helps spread weight evenly so your bones donât rub together. 3  Tears to the meniscus are often caused by sudden twisting or other things you might do while playing sports.
Ayatollah Khomeini died in 1989 just months after firing his heir apparent, leaving no designated replacement. With the help of Rafsanjani, Khamenei emerged as the default choice to become the new supreme leader.
Student supporters of the Ayatollah Khomeini used that as an excuse to capture the US embassy in Iran and take everyone in there hostage. Khomeini publicly endorsed the capture.