Archive for the ‘The future’ Category


Fertilizing the ocean - Thursday, August 6th, 2009

As Earth warms, we may need huge geoengineering projects to fight climate change. Would adding iron to fertilize ocean plants withdraw enough carbon dioxide to slow warming? Could the plan backfire?



Running short of copper, phosphorus, rare elements - Thursday, September 11th, 2008

Without phosphorus fertilizer, millions would starve. A shortage of copper — and electricity — could short-circuit our economy. Without many obscure elements, we would not have LCDs and cell phones. Should we act to prevent future shortages?



Space Travel: Humans vs. Robots - Friday, January 30th, 2004

Bush proposes mission to moon and Mars, but how great are the scientific payoffs of this expensive, risky adventure? Would it be smarter – and cheaper – to send robots?



Homestake Goldmine: Science Lab? - Thursday, July 10th, 2003

An international team of scientists selected the Homestake goldmine to be the world’s deepest underground lab, but the project may sink.



Zoonotic Disease — Bugs Jump to People - Thursday, July 3rd, 2003

Monkeypox, AIDS, SARS: Are more diseases jumping from animals to people, or is it just our imagination?



Particles Get Entangled: Weird Quantum Interaction - Thursday, June 26th, 2003

Austrian researchers show quantum entanglement across the Danube River, providing new promise in cryptography and computing. At the smallest scale, you can throw out the usual rules of engagement. What’s up with spooky action at a distance?



Skyscrapers: Engineering Challenge - Thursday, January 30th, 2003

As New York City decides about the World Trade Center site, we discuss the significance of a city skyline.



Photovoltaic Advance - Thursday, March 28th, 2002

New photovoltaic (PV) cells combine polymer and inorganic semiconductors — could be cheaper to manufacture.



Surveillance Today: Sleuth’s High-Tech Tricks - Thursday, January 22nd, 1998

Forget Big Brother, your neighbor could be watching you! Newest tricks of the spy game.




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