scrub

Oregon State University scientists have found a way to more than double the uptake ability of a chemical structure that can be used for scrubbing carbon dioxide from factory flues.

Half an hour's walk away from the daylight protest, a small army of cleaners were trying to scrub off graffiti from a wall in front of the Georgian parliament.

Like elsewhere in Hong Kong, the campus seemed to have been scrubbed of its disobedient past.

In the style of Orwell’s Big Brother, he will likely try to scrub the pages of history of his misdeeds.

That tide has turned under President Xi Jinping, whose government is tightening controls on Pride events, restricting queer representation on TV and pressuring internet sites and platforms to scrub LGBTQ-friendly content.