Biofuels made from corn have serious drawbacks -- land conversion from forest to agriculture creates a huge carbon debt. But any diesel vehicle can be made to run on waste vegetable oil (WVO), a recycled waste product that produces lower emissions.

Rogue -- a perky four-year-old Belgian sheepdog -- sure thinks so! Find out how he's making a difference by finding rare plants and other species in Oregon. Then watch a great video of Rogue in action!

Answer: about 90 minutes -- that's it! Truly a great example of the far-reaching power of social media. Read Beth Kanter's blog for more insights as to how she did it.

Threading together some topics that have been on my mind lately, I wanted to bring something different to you for consideration. For all that I talk about - Chris talks about helping out using Kiva and other means.

Blogging Is An 'Okay' Business Model, But Why Can't It Make The Leap To 'Great'? Blogging is not a great business model, it's more of an 'okay' one.

Ridiculous outcome for the coward. Want to commit suicide? Fine... but don't make it a murder-suicide.

Google Sites, a free service that allows anyone to create a wiki style website in seconds, may be the new hunting ground for scams for one simple reason - all web pages hosted on Google Sites have an address beginning with sites.google.com.

Using self-selection to spread messages and ideas is typically easier than trying to force spreading them.

If the most dire climate predictions come to pass, the Arctic ice cap will melt entirely, and polar bears could face extinction. So why not pack a few off to Antarctica, where the sea ice will never run out?

In what can only be described as a grand experiment, Fujifilm has teamed up with Ning.com to create a social network, ZSpotNow.com, based ...