Archive: 05/23/2011

Survey reports 2010/2011 winter honey bee losses

Total losses from managed honey bee colonies nationwide were 30 percent from all causes for the 2010/2011 winter, according to the annual survey conducted by the U.S. Department of Agriculture (USDA) and the Apiary Inspectors ...

May 23, 2011
not rated yet 0

Robots show the evolution of altruism

Scientists in Switzerland have pieced together the puzzle on the evolution of unselfish behaviour. They simulated genetic evolution over hundreds of generations by using simple robots, providing evidence of ...

May 23, 2011
5 / 5 (4) 0 | with audio podcast

Earth's past, made visible

New visualizations of the Earth from space provide a unique image of how the Earth has changed over the past 750 million years.

May 23, 2011
4 / 5 (7) 1

Small bangs and white holes

Most gamma-ray bursts come in two flavors. Firstly, there are long duration bursts which form in dense star-forming regions and are associated with supernovae – which would understandably generate a sustained ...

May 23, 2011
4.4 / 5 (16) 13 | with audio podcast