Sci/tech

Amazon hides an ancient urban landscape
August 29, 2008 09:54 AM - New Scientist

It could be a case of history repeating itself in the jungles of South America. Huge swathes of the Western Amazon were cleared 600 years ago, though back then it wasn't for logging, it was to make way for an urban network of towns, villages and hamlets.

Iraq bans nuclear tests
August 28, 2008 09:19 AM - New Scientist

the world just got a tiny bit safer. Iraq has agreed to an international ban on nuclear explosions, reducing the risk of a nuclear conflict in the Middle East.

Simplifying Solar Shopping - RoofRay
August 27, 2008 09:52 AM - , Triple Pundit

Have you looked at your energy bill lately? Felt the pain at the pump? Has solar been on your mind as a way to decrease and stabilize your business or home energy cost? You're not alone.

Hydrogen-Producing Bacteria Provide Clean Energy
August 26, 2008 09:40 AM - USDA/Agricultural Research Service

A new "green" technology developed cooperatively by scientists with the Agricultural Research Service (ARS) and North Carolina State University (NC State) could lead to production of hydrogen from nitrogen-fixing bacteria.

Japan firms to work on solar-powered ship
August 26, 2008 08:54 AM - Reuters

TOKYO (Reuters) - The race to go green has taken to the high seas with two Japanese companies saying they would begin work on the world's first ship to have propulsion engines partially powered by solar energy. Japan's biggest shipping line Nippon Yusen KK and Nippon Oil Corp said solar panels capable of generating 40 kilowatts of electricity would be placed on top of a 60,000 tonne car carrier to be used by Toyota Motor Corp.

Nano-sized 'trojan horse' to aid nutrition
August 25, 2008 09:26 AM - Monash University

Researchers from Monash University have designed a nano-sized "trojan horse" particle to ensure healing antioxidants can be better absorbed by the human body. Dr Ken Ng and Dr Ian Larson from the University's Faculty of Pharmacy and Pharmaceutical Sciences have designed a nanoparticle, one thousandth the thickness of a human hair, that protects antioxidants from being destroyed in the gut and ensures a better chance of them being absorbed in the digestive tract.

Water Footprints Make A Splash
August 22, 2008 09:03 AM - , Worldwatch Institute

If the full water requirements of a morning roast are calculated - farm irrigation, bean transportation, and the serving of the coffee - one cup requires 140 liters of water.

Large Hadron Collider Set To Unveil A New World Of Particle Physics
August 21, 2008 09:22 AM - University of California - Santa Cruz

The field of particle physics is poised to enter unknown territory with the startup of a massive new accelerator--the Large Hadron Collider (LHC)--in Europe this summer. On September 10, LHC scientists will attempt to send the first beam of protons speeding around the accelerator.

An Inexpensive Electric Bike Conversion Kit
August 21, 2008 09:11 AM - , MetaEfficient

Sales of electric bikes have spun into high gear this year — some merchants like Amazon are reporting a 6000% increase this summer from last year. This is good news, because, for short trips, the efficiency and convenience of electric bikes is hard to beat.

A better way to make hydrogen from biofuels
August 20, 2008 09:55 AM - Ohio State University

Researchers here have found a way to convert ethanol and other biofuels into hydrogen very efficiently. A new catalyst makes hydrogen from ethanol with 90 percent yield, at a workable temperature, and using inexpensive ingredients.

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