10/12: Nurse who cared for Dallas Ebola patient tests positive for virus; Smart bike wheel could change transportation's future

The nurse who cared for a deceased Ebola patient on multiple occasions contracted the virus despite wearing protective gear. According to protocol, she was monitoring herself for symptoms when she detected a fever; and, since it was invented in the 19th century, the basic concept of the bicycle has stayed the same. But as Michelle Miller explains, that may be changing.