Word: expendible
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Floating around in space isn't as relaxing as it might sound. Astronauts expend a lot of energy and endure extreme stresses on their bodies. Their dietary requirements are therefore different from those of their gravity-bound counterparts on Earth. For example, they need extra calcium to compensate for bone loss. (Bones tend to regenerate slower in space, and the loss of mass begins almost immediately after takeoff). A low-sodium diet helps slow the process, but according to Kloeris, that's easier said than done. "There are no refrigerators in space, and salt is often used to help preserve...
...Harvard’s onto a more convenient way to save the environment. Katharine (“Katie”) S. Walter ’10 and Karen A. McKinnon ’10, co-chairs of Harvard’s Environmental Action Committee (EAC), have enabled students to expend their eco-friendly energy in a much easier way. In fact, it’s as simple as riding a bike—a bike that’s made entirely out of salvaged and recycled parts, that is. The EAC launched the VeriFast program Saturday, April 25, allowing students...
...most important reason for the government to expend this great effort on GM and Chrysler is that the car business is such a large employer. There is no longer a case to be made that the auto manufacturing business is "strategic". If the auto industry was ever in a position to enjoy that designation, it was when the American car companies had 70% of the market. At this point, Toyota (TM) and Honda (HMC) could buy the divisions of GM that they believe can be profitable and the domestic auto market would see very little disruption...
...troops, or more, on top of the 17,000 already sent. It might even succeed; the Afghan people are terrified by the Taliban, but they do want law and order - which the corrupt Karzai government has failed to provide and Petraeus-style counterinsurgency tactics emphasize. But why expend that sort of effort on a sideshow...
Doodling, in contrast, requires very few executive resources but just enough cognitive effort to keep you from daydreaming, which - if unchecked - will jump-start activity in cortical networks that will keep you from remembering what's going on. Doodling forces your brain to expend just enough energy to stop it from daydreaming but not so much that you don't pay attention...