Archive: 07/13/2011

The future of cover crops

Winter cover crops are an important component of nutrient cycling, soil cover and organic matter content. Although its benefits are well documented, cover crop use in farming systems is relatively low. Research has shown ...

Jul 13, 2011
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Evolved stars locked in fatalistic dance

White dwarfs are the burned-out cores of stars like our Sun. Astronomers have discovered a pair of white dwarfs spiraling into one another at breakneck speeds. Today, these white dwarfs are so near they make ...

Jul 13, 2011
4.7 / 5 (7) 5 | with audio podcast

Much warmer than the worst-case scenario?

According to a new study, it could become much warmer towards the end of the century than originally anticipated. The study has found that the average temperatures calculated are much higher than the IPCC’s ...

Jul 13, 2011
3.8 / 5 (20) 53

Zubrin claims VASIMR is a hoax

A next-generation plasma rocket being developed by former NASA astronaut Franklin Chang Diaz called the Variable Specific Impulse Magnetoplasma Rocket (VASIMR) has been touted as a way to get astronauts to ...

Jul 13, 2011
4 / 5 (21) 75