Archive: 03/2/2011

Fears Asian bee is Australia's next cane toad

The aggressive and invasive Asian honey bee could become as bad a pest in Australia as the cane toad, a senator warned Wednesday, adding that the insect could threaten the country's food supply.

Mar 02, 2011
3 / 5 (1) 0

Has the Earth's sixth mass extinction already arrived?

With the steep decline in populations of many animal species, from frogs and fish to tigers, some scientists have warned that Earth is on the brink of a mass extinction like those that occurred only five times ...

Mar 02, 2011
4.3 / 5 (29) 55 | with audio podcast

New interpretation of Antarctic ice cores

Climate researchers at the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI) expand a prevalent theory regarding the development of ice ages. In the current issue of the journal Nature three ...

Mar 02, 2011
4.2 / 5 (5) 0 | with audio podcast

Missing sunspots: Solar mystery solved

The Sun has been in the news a lot lately because it's beginning to send out more flares and solar storms. Its recent turmoil is particularly newsworthy because the Sun was very quiet for an unusually long ...

Mar 02, 2011
4.9 / 5 (14) 20 | with audio podcast

Scientists show how men amp up their X chromosome

What makes a man? His clothes? His car? His choice of scotch? The real answer, says Brown University biologist Erica Larschan, is the newly understood activity of a protein complex that, like a genetic power tool, gives enzymes ...

Mar 02, 2011
5 / 5 (6) 0 | with audio podcast

S. Korea expands high-speed wireless coverage

South Korean telecom operator KT said Wednesday it has expanded its high-speed wireless broadband network to cover 85 percent of the population in what is already one of the world's most wired countries.

Mar 02, 2011
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