When Cluster II passes through these so-called polar cusps, instruments on board each of its satellites will measure the magnetic field, electrical current and number of charged particles within the tetrahedron.

ECONOMIST: Birds of a feather

While the existence of indexed securities does reduce the potency of the financial market transmission channels, these instruments meet a real investment need and can be easily duplicated through interest rates swaps.

FORBES: Brazil Lowers Interest Rates, But Risks Remain

The principal aim of these policy instruments was to promote development, social empowerment (poverty alleviation) and environmental conservation through participatory or community-based management and exploitation or utilisation of forests and forest resources.

UNESCO: Community-Based Forestry Management Programme