Biological analyst Alan Dowden of the Seattle Sperm Bank takes a break from riding the Sperm Bike, a custom-designed, high-tech bicycle used to deliver donated sperm to fertility clinics, in Seattle November 8, 2011.
According to Seattle Sperm Bank's managing director Gary Olsem, donor sperm is transported by medical technicians aboard the bike, which is the second of its kind, in liquid nitrogen
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