More than 100 young people gathered for the National Youth Summit at the city's science centre.

BBC: Knife crime tops agenda at National Youth Summit

Dr Mike Blackburn of the National Centre for Atmospheric Science at the University of Reading admits that the reasons for a static pattern of the flow remain unclear.

BBC: Why, oh why, does it keep raining?

The National Centre for Conservation Science and Policy is working on legislation that would allow logging in eastern Oregon's forests, which are largely filled with dry Ponderosa pines.

ECONOMIST: Managing the West��s forests