If predators are able to operate only in the same number of dimensions as their prey as is the case for lions and zebra, or barracuda and schooling fish then individuals at the centre of a group really should be safer than those at the edges.
During operations, Nimitz-class carriers sail at the centre of a carrier battle group of ships that includes guided missile cruisers, destroyers, frigates, logistics ships and submarines.
The opening of the new centre on Monday will see a group of local children swimming the equivalent length of the English Channel to raise money for charity.
At the centre of the group was a blind boy, as alert and as slight as a gazelle.
At a community centre in Croydon, I met a group of under 25s.
In the centre of the debate is a big group who favour women bishops but want the traditionalists treated decently.
Jeffrey Chester of the Centre for Digital Democracy, a privacy group, sees social networks as part of a broader set of companies that are trying to track individuals' behaviour online to gather data that can be used by marketers for precisely targeted advertising.
The father of a boy killed in the IRA bomb attack in Warrington has asked a former leader of the group to lecture at a centre set up in his son's memory.
The Kremlin lot's best hope is that, by weakening Fatherland, they may help other parties less threatening to themselves, for instance Yabloko (a centre-left group led by Grigory Yavlinsky) and Right Cause (a much weaker group of well-known and mostly unpopular economic reformers, such as Anatoly Chubais).
Chris Patten, the commissioner for external affairs, from Britain, was put forward by a group of centre-right parties, who did best at the parliamentary elections.
The Branson Centre of Entrepreneurship was created to support a diverse group of young entrepreneurs in the Caribbean and South Africa to provide practical business skills, access to mentors and coaches, professional services, resources and other financial opportunities to grow strong and sustainable businesses with innovative and different solutions to create jobs and stimulate the economy.
Meanwhile, Joseph Daul, leader of the centre-right EPP group - of which the British Conservatives used to be a member - hit out at UK Prime Minister David Cameron.
Officials from Chicago, who want to hold much of the Games in the city centre, were upbeat after their pitch despite a protest held by a group of Chicagoans opposed to the bid.
Although the NRA is ostensibly an organisation seeking to protect the civil rights of its 4m members, critics such as the Violence Policy Centre (VPC), a gun-control group, contend that the level of funding from firearms manufacturers makes it, in effect, just a trade association for the gun industry.
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They were about 150km (95 miles) from a group of islands at the centre of a dispute between Japan and China.
In addition to help with financing and other operational matters that Centre provides, it also offers its portfolio company management teams access to its Centre Operating Partners, or COPs, a group of current and former top-level executives that can offer industry-specific expertise and often take board roles.
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But they control swathes of the centre and south, and could rise up again if he or his group were cut out of a power-sharing deal.
Bradley Smith of the Centre for Competitive Politics, a pro-speech group, says such fears are exaggerated.
The centre is the headquarters of the McLaren Group, which incorporates a number of different but related automotive businesses.
They have some of the highest overdraft fees, says Michael Calhoun of the Centre for Responsible Lending, a consumer-advocacy group.
Australia has transferred the first group of asylum seekers to a processing centre in Papua New Guinea, immigration officials say.
It included the Carbon Trust, National Renewable Energy Centre (Narec), and Ocean Energy Innovation - a group of major players in renewables including the University of Strathclyde.
At 00:50 BST on Wednesday a group of people wearing masks broke into Chestnut Medical Centre on Chestnut Street, damaging the centre and stealing a cash machine and cash from a till.
It also established a non-profit group called the National Centre for the Elimination of Boryokudan (crime syndicates), to advise companies on avoiding the yakuza and rally citizens to complain, as in the recent suits.
The Co-operative Group centre will be set up to deliver 68 million cases of groceries a year.
Now a group of local people want to turn the elaborately decorated building into a media centre for the whole of the community.
BBC: NEWS | UK | Wales | North East Wales | Appeal to save old music hall
The children, a group of 16 and 17 year olds, had been staying at a PGL centre - an organisation which arranges adventure holidays and courses.
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Environmental group WWF Scotland also welcomed news of the funding package to help develop a test centre.
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Property developers The Peel Group have announced plans for a new two million sq ft exhibition centre on the banks of the River Mersey.
The investigation is in response to a complaint filed by the University of Victoria's Environmental Law Centre (ELC) and the campaign group Democracy Watch.
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