Chemistry
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Chemistry
Alien Pizza, Anyone?
Although many biochemical molecules come in left-handed and right-handed versions, life on Earth uses one version exclusively, and some controversial experiments suggest this preference might not be due to chance.
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Chemistry
Soot Sense: Test tallies exposure to diesel pollution
A chemical in urine reveals a person's exposure to diesel exhaust.
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Chemistry
Gooey solution to a sticky problem
A new, gooey, and potentially useful protein has been extracted from the bodies of jellyfish that overpopulate the seas around Japan.
By Sarah Webb -
Chemistry
A sweet way to replace petroleum?
Thanks to a new chemical process, many products now manufactured from petroleum could one day be made from sugar molecules.
By Sid Perkins -
Chemistry
Beyond Ethanol: Synthetic fuel offers promising alternative
A faster, simpler manufacturing technique could make a synthetic biofuel into an even stronger competitor to ethanol.
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Chemistry
In a Fix: Agricultural chemicals disturb a natural relationship
Several pesticides can disrupt a partnership that enables certain plants to take up nitrogen by enlisting the help of bacteria.
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Chemistry
Packaging Peril: Chemicals in food wrapping turn toxic
Chemicals that prevent grease from seeping through food packaging can transform into a suspected carcinogen.
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Chemistry
Onward, microbes
With a tweak to their genetic codes, bacteria have been coaxed to follow a chemical trail of a researcher's choosing.
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Chemistry
Cleaning Treasures: Safer solvents for restoring frescoes
Solvents in nanoscale droplets can be used to clean centuries-old frescoes, saving them from the unintended consequences of previous restorations.
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Chemistry
Gene dispensers
A new gene therapy technique releases genetic material from successive nanoscale layers of DNA as sheets of polyester that hold them in place slowly degrade.
By Janet Raloff -
Chemistry
Enzymes release caged chemicals
A new controlled-release technology relies on enzymes to unshackle a chemical only when and where it's needed.
By Janet Raloff -
Chemistry
That’s a Wrap: Polymer coatings fortify pancreas cells
A technique that encapsulates cells in polymer might one day benefit people who receive pancreas-cell transplants for diabetes.