member of a council

Charge and parity (as in CP violation)

use hyphen

CLIC Test Facility

Amounts quoted in sterling, US dollars and euros do not normally need to be converted. The only exception might be if you want readers to be able to make direct comparisons between countries: if that applies you should choose one as the standard.

Any other currency should be converted the first time it is mentioned to the equivalent in US dollars. There are a number of currency converters on the net: xe.com covers any currency you are likely to encounter.

No hyphen: cyberattack, cybercafé, cybersecurity, cyberterrorism, cyberthreat  

Demande d'Achat Interne (Internal Purchase Order)

Organisation that operates advanced networks for research and education, including GÉANT

Acronym doesn’t need spelling out for the CERN Courier

Département d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée (Department of Astrophysics, Particle Physics, Nuclear Physics and Associated Instrumentation​), CEA

Acronym doesn’t need spelling out for the CERN Courier

lower case

Two words. Initial capital letters if talking about the CERN Data Centre.

Not dataset or data-set.

Dates should be written Saturday, 24 April 2010 (not 24^th).

Use the following construction for spans of time:

Willibald Karl Jentschke was the Council delegate for the Federal Republic of Germany from 1964 to 1967.

Though this often reads better if reworded:

From 1964 to 1967, Willibald Karl Jentschke was the Council delegate for the Federal Republic of Germany. 

Double Annular Φ Factory for Nice Experiments, an electron–positron collider at the Laboratori Nazionali di Frascati (LNF)

Acronym doesn’t need spelling out for the CERN Courier

Delivered Duty Unpaid

no italics

Use digits:

the 1950s, 1960s, etc.

the roaring 20s

a man in his 60s

Note that no apostrophe is needed before the "s"