Intermediate Word:  squamous (a) scaly  (b) pertaining to a squaw  (c) short and stocky  (d) ill-defined boundaries
Difficult Word: loment -  (a)
 plant with spongiform stem  (b) skin lotion for xerodermatitis  (c) pod with seeds separated by constrictions  (d) Asian weed that propagates with runners

New Recipe For Oxygen On Icy Moons - SpaceDaily  Left: Reddish spots on the icy surface of Jupiter's moon Europa may indicate pockets of warmer ice rising from below. Image credit: NASA/JPL      Researchers at Pacific Northwest National Laboratory said they have uncovered the most detailed picture to date of how oxygen could be manufactured on water-rich but frigid moons in the outer solar system. Since its confirmation on Europa and other satellites orbiting the gas-giant planets of the solar system, extraterrestrial ice has remained a possible source for oxygen and therefore of complex life on other planets. The problem is planetary scientists have not been able to explain how oxygen could be produced from the permafrost surfaces.
Image: Rat neuron Brain cells fused with computer chips - MSNBC  Left: A neuron from a rat brain sprawls over a linear array of transistors. The cell's ionic current interacts with the electronic current in the silicon. The achievement could one day enable the creation of sophisticated neural prostheses to treat neurological disorders, or the development of organic computers that crunch numbers using living neurons. To create the neuro-chip, researchers squeezed more than 16,000 electronic transistors and hundreds of capacitors onto a silicon chip just 1 millimeter square in size. They used special proteins found in the brain to glue neurons, onto the chip. It could still be decades before the technology is advanced enough to treat neurological disorders or create living computers, the researchers say.   

Next-generation vehicles: drivers optional  - El. Engr. Times  "Our goal at Stanford is to be able, within the next two years, to drive from downtown San Francisco to downtown Los Angeles with 100 percent autonomy--without any human intervention whatsoever." By 2008, the Stanford University group will be steering its self-driving car onto the interstate. 

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