Archive: 08/19/2011

Nitrogen in the soil cleans the air

Eutrophication harms the environment in many ways. Unexpectedly, nitrogen fertilizer may also be positive for the environment. And even acidic soils, promoting the destruction of forests, can have a positive ...

Aug 19, 2011
4 / 5 (1) 0 | with audio podcast

Apple's China revenues surpass Lenovo

Apple's second quarter revenue in greater China -- an area including Taiwan and Hong Kong -- have surpassed that of Chinese computer giant Lenovo for the first time, according to figures from the firms.

Aug 19, 2011
5 / 5 (1) 1

Amino acid alphabet soup

All life on Earth relies on a standard set of 20 amino acids to build the proteins that carry out life's essential actions. But did it have to be this way?

Aug 19, 2011
4.4 / 5 (5) 9 | with audio podcast

Nanoscientists invent better etching technique

(PhysOrg.com) -- Imagine yourself nano-sized, standing on the edge of a soon-to-be computer chip. Down shoots a beam of electrons, carving precise topography that is then etched the depth of the Grand Canyon ...

Aug 19, 2011
4.8 / 5 (4) 3 | with audio podcast