Intermediate Word: 
  (a) reformed criminal  (b) beggar  (c) tailor  (d) glue
Difficult Word: - grenadine  (a) bandolier worn by grenadiers  (b) syrup made from currants  (c) sweet alcoholic beverage  (d) herbal medicine

Purdue Yeast Makes Ethanol From Agricultural Waste More Effectively - Science Daily  Purdue's genetically altered yeast allows about 40 percent more ethanol to be made from sugars derived from agricultural residues, such as corn stalks and wheat straw, compared with "wild-type" yeasts that occur in nature. The Purdue researchers altered the genetic structure of the yeast so that it now contains three additional genes that make it possible to simultaneously convert glucose and xylose to ethanol. The ability to ferment xylose increases the yield of ethanol from straw by about 40 percent. Being able to simultaneously ferment glucose and xylose is important because both sugars are found together in agricultural residues, Ho said. "It would cost too much money to separate the two sugars before proceeding with fermentation to ethanol, so being able to ferment both sugars together to ethanol is critical," she said. 
Commentary Israel To Bomb Iran? - Science Daily  As the Bush Administration concludes it cannot risk Iranian retaliation against a fragile Iraq under U.S. occupation, Israel is dusting off contingency plans to take out Iran's nuclear installations. A U.S. House of Representatives resolution last May 6 authorized all appropriate means to put an end to Iranian nuclear weapons development. The Senate is yet to vote on the resolution. But it leaves no doubt it is a green light for an offensive military strikes against Iran's three nuclear facilities. The worldwide reaction against a U.S. attack on Iran's theocratic regime would almost certainly put an end to growing moderate dissent. 

Dark Matter And Dark Energy May Be Different Aspects Of Same Force - Science Daily  In the last few decades, scientists have discovered that there is a lot more to the universe than meets the eye: the cosmos appears to be filled with not just one, but two invisible constituents - dark matter and dark energy - whose existence has been proposed based solely on their gravitational effects on ordinary matter and energy. Now, theoretical physicist Robert J. Scherrer has come up with a model that could cut the mystery in half by explaining dark matter and dark energy as two aspects of a single unknown force. 

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