News
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AstronomyHidden black holes
A new study has added to existing evidence that most of the monster black holes at the cores of galaxies are shrouded by dust.
By Ron Cowen -
Rice, revealed
Researchers have finished a 6-year-long effort to sequence the genome of rice.
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AnimalsWhat’s That Knocking? Sound evidence offered for long-lost woodpecker
Cornell's Laboratory of Ornithology has released recordings from the woods of eastern Arkansas that researchers say could be the distinctive drumming and calls of the ivory-billed woodpecker.
By Susan Milius -
ChemistryPresto, Change-o: New solutions could clean up chemistry
Scientists have developed a simple technique to switch an oil-like solvent into a waterlike one.