In addition to medical benefits, nanotechnology gives the ability to "boost" soldiers to high levels of physical performance.

This could give a fillip to stagnating levels of trade across an ideological divide.

Correspondingly, a decrease in atmospheric ozone is expected to give rise to significantly increased levels of UVB near the surface.

This is expected to bring snow to northern and western parts of the UK, giving accumulations to low levels in the north.

Stars may indicate room size and facilities, but give no clue to levels of hygiene.

That said, recently formed foundations continue to grow, and Ms. Engelhardt said that was likely to push giving to higher levels.

There are good grounds for thinking that to a significant degree home and foreign capital markets were separate and gave rise to quite different levels of investment expectations.

Correspondingly, a significant decrease in atmospheric ozone could be expected to give rise to significantly increased levels of UV near the surface.

The turnstiles and elevators which gave access to specific areas and levels operated on the same principle.

A modern interior staircase gives access to higher levels.