For it would open up the possibility of processing thorium heavy ores of those metals.

FORBES: An Odd Thought: Thorium Reactors Would Make Tantalum And Rare Earths Cheaper

Researchers said their findings open up the possibility of developing drugs to monitor and control the growth of cancerous tumours.

BBC: Enzyme switch may help 'slow cancer tumour growth'

The group believes that this idea would "open up the possibility of becoming an organ donor to a much wider range of people".

BBC: New powers call for donor cards

The fight between Klitschko and 27-year-old Chisora could now open up the possibility of fellow Londoner Haye taking on the Ukrainian's brother Vitali Klitschko, who is the WBC champion, in April or May.

BBC: Dereck Chisora to fight Wladimir Klitschko on 30 April

When we do that, we open ourselves up to the possibility of making a mistake based on emotion.

CNN: When emotion takes over

Analysts and industry watchers have been speculating for some time that Nokia would (or at least should) open itself up to the possibility of hosting third-party software on its phones in a bid to recapture its narrowing share of the smartphone market.

FORBES: Nokia Staying Mum On Windows Phone 7 Rumor

The center-left Social Democrats said Monday they would approve the government's new plan in parliament only if a stronger commitment is made to build up wind and solar capacity, and if the legislation leaves open the possibility of closing all nuclear plants sooner than 2022.

WSJ: Germany to Forsake Its Nuclear Reactors