On September 16 robots will spend the day flying, hopping, scooting and just showing off in Washington DC at the invitation of the National Science Foundation (NSF).
Tax the back's structure of bones, ligaments, muscles, nerves and tendons too much or once too often in the workplace and pain and damage are inevitable.
Researchers in Britain reported in August that cell phones don't cause cancer, but their conclusion is unlikely to end arguments about whether the devices are health hazards.
In August, The Chartered Society of Physiotherapists (CSP) warned the increase in text messaging, especially popular with today's youngsters, may contribute to a rise in repetitive strain injury (RSI) in young thumbs.
From details gathered about the ban in the Indian press, it was clear the authorities had decided the sight of barefoot humans pulling other humans around the city was bad for Calcutta's image.