Blocking exports would make long term natural gas production an unreliable investment.

FORBES: Blocking LNG Exports Helps A Few, Hurts Many

Lacking so far is direct scientific proof that wearing ultraviolet-blocking contact lenses will prevent long-term eye issues.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays

Stymied by a Republican legislature, he wound up spending much of his time blocking urban sprawl, and in his third term, he warned about the dangers of runaway deficits and entitlement spending with such Wagnerian brio that he came to be known as Governor Gloom.

CNN: It's My Party And I'll Run If I Want To

Data seen by the BBC suggested that the blocking of The Pirate Bay had only had a short-term effect on the level of pirate activity online - with levels of peer-to-peer sharing returning to normal soon after.

BBC: Court orders UK ISPs to block more piracy sites

"This is a long-term quest, and we can't assume that blocking VEGF alone will be enough, " he says.

FORBES: On The Cover/Top Stories

Both Steve Nissen and Allen Taylor say little is known about the long-term effects of its flushing-blocker, which works by blocking a cell receptor called prostaglandin D2.

FORBES: Magazine Article

Her experiments suggest that blocking the protein hit by gamma secretase will kill brain cells over the long term.

FORBES: The Man Who Predicted Eli Lilly's Alzheimer Failure

The founding family's controlling shareholding, and a blocking stake held by the state of Lower Saxony, where VW is headquartered, allow it to resist short-term pressures to pull out of any market that turns difficult.

ECONOMIST: Volkswagen: VW conquers the world | The