Have some free time and looking to enlarge your insatiable brain? Look no further than BNT’s best articles we’ve found this week.

Four thousand American soldiers have died in Iraq. This is the true story of how one of them came home. Read The Things That Carried Him.

Poor people are turning micro-lending into one of the world’s least likely sources of untapped profit, primarily because they will pay interest rates most Americans would consider outrageous, if not usurious, says the article The Ugly Side of Microlending.

Mark Morford talks about the surprising new discovery that the Earth is humming. Yes, humming.

Perhaps the cosmos themselves are trying to tell us something, so says The Intelligent Universe.

Getting burned out on all this green fanaticism? Don’t lose heart, Michael Pollan believes you should still bother.

Research suggests that practicing a more simple lifestyle made people happier while using fewer resources. Don’t believe it? Read Why working less is better for the globe.

It starts about a bit depressing, but 31 Reasons To Travel Green In Pictures offers the incentive to take extra care.

What links have you found on the web? Share in the comments!