The front of the bike is the bulbous head of a sperm, about the size of very large beach ball, with a long tail stretching behind. The 10-foot-long sperm is a high-tech cooler. It holds a canister filled with liquid nitrogen — so a tiny dollop of sperm stays frozen. A donor — possibly from the nearby University of Washington campus — was paid about $50 for it. And a woman or a couple needing help with a pregnancy will pay up to $600 per sample.
Read more about the custom cycle that ferries sperm to fertility clinics at www.npr.org