News
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HumansNobel Chemistry: Laureates’ techniques enable researchers to probe large biomolecules
The 2002 Nobel Prize in Chemistry recognized the work of three scientists who created tools for analyzing proteins and other large biological molecules.
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EarthContraceptive-Patch Worry: Disposal concern focuses on wildlife
Some scientists now worry that discarded contraceptive patches may leak synthetic estrogen into the environment, potentially harming wildlife.
By Janet Raloff -
Health & MedicineLess Crying in the Kitchen: Tasty, tearfree onions on the horizon
The discovery of a new enzyme responsible for creating the tear-inducing chemicals found in onions may herald the arrival of genetically modified tearfree onions.
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AstronomyCelestial Divide: Finding two families of galaxies
By analyzing data from a mammoth sky survey, astromoners have found that galaxies divide into two distinct families, depending on their stellar mass.