Chemistry
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Chemistry ChemistryLighting up for uraniumA portable sensor could make it possible to rapidly detect environmental uranium contamination. 
- 			 Chemistry ChemistryMagnet makeoverA new family of magnets may be a first step toward organic versions of the familiar metal objects. 
- 			 Chemistry ChemistryFish Killer Caught? Ephemeral Pfiesteria compound surfacesScientists claim to have found an elusive algal toxin implicated in massive fish kills along the Mid-Atlantic coast in the 1990s. 
- 			 Chemistry ChemistrySwitch Hitters: Antibacterial compounds target new mechanism to kill microbesRecently discovered ribonucleic acid segments, called riboswitches, may become prime targets for new antibacterial drugs. 
- 			 Chemistry ChemistryFor sweat’s sakeSoldiers and emergency crews may one day find comfort as well as safety in their chemical-protection gear, now that researchers have created a breathable, chemical-blocking composite material. 
- 			 Chemistry ChemistryHappy fish?Researchers have detected antidepressant drugs in the brains of fish captured downstream of sewage-treatment plants. By Janet Raloff
- 			 Chemistry ChemistryTogether and apartChemists report the first chemical reaction that can split apart and recombine the two atoms in molecular hydrogen without using an expensive metal catalyst. 
- 			 Chemistry ChemistryChemical Pop-Up BooksChemists and engineers have designed two-dimensional structures that self-fold into functional, three-dimensional objects, such as miniature chemistry laboratories and drug-delivery devices. 
- 			 Chemistry ChemistryWere Viking landers blind to life?The Viking landers may have missed potential signs of life when they explored Mars in 1976. 
- 			 Chemistry ChemistryUnnatural successChemists report the first synthesis of a promising antibiotic that other researchers recently discovered in nature. 
- 			 Chemistry ChemistryBack on the Table? Element 118 is served up againA team of nuclear chemists from the United States and Russia have announced the brief reappearance of element 118. 
- 			 Chemistry ChemistryPretty in Pictures: Details of molecular machinery gain NobelThis year's Nobel Prize in Chemistry went to a researcher who determined the structure, in atomic detail, of RNA polymerase taken from yeast cells.