The workshop was aimed at preparing a detailed and comprehensive record of these artifacts on scientific methods to avoid any chance of theft and pilferage in addition to facilitate study and research.

UNESCO: CULTURE

The methods they used to avoid detection were straight out of a crime novel - they wrote cryptic notes using numbers and letters and spoke in code on the phone.

BBC: Operation Beath

The cases underscore the need for parents to teach children how to avoid being seized, and to learn escape methods if they are, said Bob Stuber of the Texas-based Escape School, which runs educational programs across the United States.

CNN: Safety expert offers tips to avoid abduction

To avoid facilitator-centred instruction, several teaching methods are used.

UNESCO: Country Profile: Philippines

To help it avoid charges of suppressing the emergence of methods that may prove better than its favoured ones, the government should look to one particular principle, outlined in its education white paper of autumn 1997: that intervention in schools should be in inverse proportion to their success.

ECONOMIST: Journey up the learning curve

North Korea has historically employed guerrilla-style methods in carrying out provocations, using elements of surprise and ambiguity of attribution to avoid risks of full-scale escalation.

CNN: Why North Korea regime is scary

Such a tool would be used carefully to avoid the risk of discovery not just the specific operation, but of methods used, the technology developed, and past targets.

FORBES: The New York Times Fails To Deliver Stuxnet's Creators

It seems unlikely that a smartphone application, as opposed to more tried-and-tested methods like vaccination or a face mask, could help you avoid going down with a dose of the flu this winter.

BBC: Can crowdsourcing beat the flu?

To avoid giving criminals too much information, Acquisti and Gross withheld some of the details of their methods.

CNN: Social Security number study raises fears