It's a sperm bank.
Officials at CryoGam say their applications have jumped from about 150 a year, to 400 since September alone.
Betsy Cairo of CryoGam tells a Denver TV station the economic slump is responsible for their increase in wanna-be sperm donors.
She says it's not as easy as you might think.
Of the 400 recent applications, only four were accepted.
The sperm donors are paid, but Cairo won't say how much.
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