How to buy an ethical diamond

(Phys.org)—You've already decided that you're going to pop the question. Now comes another quandary: Where to get the ring, if you're buying one?

Beneficial microbes are 'selected and nurtured' in the human gut

Animals, including humans, actively select the gut microbes that are the best partners and nurture them with nutritious secretions, suggests a new study led by Oxford University, and published November 20 in the open-access ...

US drone to map ancient Peru ruins

Archeologists in Peru plan to use a US-made drone to survey ancient Andean ruins, in the latest civilian application of the unmanned aerial vehicles used to hunt militants in the world's war zones.

Joysticks transform US warfare in Afghanistan

In battle they take out Taliban fighters with joystick-controlled weapons, while back at base American soldiers hook up their Xboxes and kill their way through video games.

Air Force warns troops about Facebook feature

(AP) -- The Air Force is warning its troops to be careful when using Facebook and other popular networking sites because some new features could show the enemy exactly where U.S. forces are located in war zones.

Robo-forklift keeps humans out of harm's way

(PhysOrg.com) -- Researchers in MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) are working on a better way to handle supplies in a war zone: a semi-autonomous forklift that can be directed by people ...

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