Many entrepreneurs, activists, and marketers are leveraging the social web for positive change. In the process and by its very nature, they are giving each of us the tools to change the world and make it a better place. Here are 10 worth exploring.

Scientists say a giant ocean eddy swirling in the Tasman Sea is compelling evidence that the ocean is not the constant, unchanging water mass it has long appeared.

The Houston-based airline is teaming up with Boeing and engine maker GE Aviation to test a plane powered by a new generation of renewable fuels.

A meteor zipped across the U.S. Pacific Northwest sky early Tuesday morning before exploding, possibly littering eastern Oregon with marble- to basketball-size space rocks, an expert says.

Another car we dont get in the US, the audi A3 diesel, low carbon output, and a great package,yet we dont get it!

Last year, almost forty teams of synthetic biology students from around the world competed to create the "coolest" artificial life-form.

A revolutionary fully robotic observatory at Dome Argus on the highest point of the Antarctic Plateau,dubbed PLATeau Observatory or PLATO,will be possible to achieve near-space quality images at a much lower cost than launching a telescope into space.

Scientists have stumbled on a world first in helping a man improve his memory. They were experimenting with deep-brain stimulation in an attempt to curb the appetite of a 30st patient who suffered from a lifelong obesity problem. Electrodes

High speed trains must, and will become an essential component of the U.S. transportation system during the next 20 years. This seems to be obvious, but is something that the (lack of) leadership in Washington D.C. has yet to seriously consider.

Global warming is the most serious environmental threat of our time.As these facts show, affordable options are available. And America cannot afford to fall behind any more in the race to invent clean, renewable energy sources.