The Earth's new water budget

Investigating the history of water on Earth is critical to understanding the planet's climate. One central question is whether Earth has always had the same amount of water on and surrounding it, the same so-called "water ...

New generation GPS satellite starts tests in Colo.

A $5.5 billion upgrade to the Global Positioning System moved a step closer to launch this week when a prototype arrived at a Lockheed Martin complex in Colorado to begin months of tests.

The paradox of gift giving: More not better, says new study

Holiday shoppers, take note. Marketing and psychology researchers have found that in gift giving, bundling together an expensive "big" gift and a smaller "stocking stuffer" reduces the perceived value of the overall package ...

Auditing the Earth's sea-level and energy budgets

An international research team has balanced the sea-level rise budget by showing that the total amount of contributions to sea level rise explains the measured rise over recent decades.

Airlines positioned for big gains in efficiency

Planes are being built out of the same lightweight materials used for Formula 1 race cars. Their engines are being redesigned to squeeze more thrust out of every gallon of fuel. And governments are developing air-traffic ...

Billion dollar boost for US science, health research?

Health and science research would get a billion-dollar boost under the 2012 budget proposed Monday by US President Barack Obama, including a major new project to speed lab advances into cures.

NASA says it can't afford new rocket, spacecraft (Update)

NASA this week told Congress it cannot afford to build a new heavy-lift rocket and spacecraft to replace the retiring space shuttle program within the timeframe and budget approved by lawmakers.

Republicans could scale back US science budgets

Budgets for scientific research in the United States could be scaled back with the return of a Republican-majority in Congress as conservatives aim to slash spending to reduce the ballooning deficit.

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