Archive: 08/30/2011

Using ground covers in organic production

Studies by U.S. Department of Agriculture (USDA) scientists indicate that organic farmers who need to periodically amend their soils with compost after planting can still control weeds -- and hold down costs -- by using fabric ...

Aug 30, 2011
5 / 5 (1) 0

Are all alien encounters bad?

The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.

Aug 30, 2011
4 / 5 (5) 12

An atlas of the Milky Way

Sino-German research group draws a new map at the Urumqi radio telescope and discovers two supernova remnants.

Aug 30, 2011
4.6 / 5 (9) 1 | with audio podcast