Hundreds of bike riders shed their clothing and rode through the capital of Spain Saturday protesting the overuse of automobiles, and celebrating the simplicity of bicycles and the human body. According to the World Naked Bike Ride Website, the annual ride is held in cities all over the world "to celebrate cycling and the human body. The ride demonstrates the vulnerability of cyclists on the road and is a protest against oil dependency. "

In an attempt to raise awareness for HIV, homelessness, and in support for the medical use of marijuana, a man has been traveling across the United States on his bike, all the while pedaling backwards. Starting last August in California, 36-year old cyclist Curan Wright has been cycling backwards through different states, with his navigation based solely on his peripheral vision.

A virtual nuclear fusion reaction has been modeled on a supercomputer running for 20 minutes on bicycle power pedaled by 10 cyclists from the Massachusetts Institute of Technology (MIT). The students duly claimed a world record for human-powered computing, saying the task produced more computations in those 20 minutes than all of humanity did in the first 3,000 years of civilization. They also said that more arithmetic calculations were computed than were done on the entire earth up to 1960.

A man was apprehended by police officials Sunday for riding his bike along the hallways of a motel, hitting two people in the process. Withholding the name of the suspect, police reported that the man was wearing nothing but a pair of swimming trunks as he was zipping down the hallway of the Best Western Soldiers Field Tower and Suites, reported the Associated Press.

U. S. Secretary of State Condoleezza Rice turned down requests to witness her ice-skating talents and warm up frosty U. S. -Russian relations during a visit to a rink in Russia, Friday. In a report Rice said that it had been 10 years since she last put her feet inside ice skates.