Accommodating these markers causes the highly-sensitive sensors to bend like a diving board and this bend indicates the level of virus in the body, explained lead investigator Dr Rachel McKendry of University College London and the London Centre for Nanotechnology.

BBC: 'Self-monitoring device' for HIV

ATHENS, Greece (CNN) -- Security has been tightened at the Athens Games after a man in a tutu jumped into the pool from the diving board during the men's synchronized three-meter springboard event.

CNN: Tutu diver splashes into spotlight