"As a result, some people believe that e-cigarettes are a safe substitute for conventional cigarettes," said Prue Talbot, the director of UC Riverside's Stem Cell Center, whose lab led the research.

Following the knowledge property to substitute for the tangible property to become the social center property gradually, the conflicts between intellectual rights are becoming strong day by day.

The England midfielder lit up the Home Depot Center on Saturday when he finally came on as a substitute for the Galaxy in an exhibition match against Chelsea.