Intermediate Word: 
  (a) old  (b) greedy   (c) carnivorous  (d) pushy
Difficult Word: - karyotype  (a) a cell without a nucleus  (b) a hybrid  (c) the chromosomal complement of a species  (d) a cell with no nuclear membrane

Swirling Dust Near Black Hole Too Thick for Theory - Space.com  A close-up view of a donut-shaped disk of dust around a black hole confirms several expectations about the massive structure but has astronomers wondering how the disk could be so thick. The black hole packs a mass equal to about 10 million Suns. That's more than twice the mass of the black hole in our Milky Way but many times less than others in the more distant universe. It anchors a nearby galaxy called NGC 1068.
Stanford Engineers Create GPS Steering - SpaceDaily  Stanford Center for Design Research engineers have created a car steering mechanism that uses the global positioning system. Chris Gerdes, assistant professor of mechanical engineering and co-director of the Stanford Center for Design Research, demonstrated how the mechanism worked by driving a Corvette through a series of cones without touching the steering wheel. Three GPS antennas on the car's roof identified the direction the car was traveling and its exact location within a few centimeters. Whenever the car started to drift, an onboard computer nudged it back toward the center of the lane.

Refining Diamondoids From Crude Oil - SpaceDaily  Left: Diamondoid was first discovered and isolated from a Czechoslovakian petroleum in 1933. The isolated substance was named adamantane, from the Greek for diamond. This name was chosen because it has the same structure as the diamond lattice, highly symmetrical and strain free. It is generally accompanied by small amounts of alkylated adamantanes: 2-methyl-; 1-ethyl-; and probably 1-methyl-; 1,3-dimethyl; and others.   Oil giant ChevronTexaco has announced it can now refine from crude oil sizable quantities of diamond-like molecules that hold great potential for science and health researchers. Chemists say the diamondoids, as they are called could find their way into everything from advanced materials and microscopic devices to pharmaceuticals and jet fuel. 

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