At MetaEfficient I’ve been waiting for years to review some exciting green computers, and now finally in 2008, we’ve seen the introduction of some truly green PCs. Although the components of green PCs cost about 10% more than regular PCs, they retail for about the same price. You can jump ahead and see our list of the greenest PCs. Or you can read about the details of the green rating processes.

A lost world has been found in Antarctica, preserved just the way it was when it was frozen in time some 14 million years ago.

El Niño events periodically wreak havoc on the world's weather, increasing the risk of hurricanes and flooding in some regions, and droughts and forest fires in others. But despite telltale signs of their presence in the Pacific Ocean, including a reversal of ocean currents and large temperature rises, it can be hard to tell where else El Niños are having an effect.