News
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EcosystemsPlight of the Iguanas: Hidden die-off followed Galápagos spill
Residues of oil spilled in the Galapágos Islands in January 2001 may have caused a 60 percent decline in one island's colony of marine iguanas.
By Susan Milius -
Health & MedicineTransplant Triumph: Cloned cow kidneys thrive for months
Cow kidneys and other tissue made by cloning ward off immune rejection after transplantation into cows.
By John Travis -
AstronomyRare Find: Odd type of ammonia detected in space
The discovery of deuterated ammonia in space could help astronomers better understand the complex chemistry of dark clouds in star-forming regions.
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Wayward Moods: Bipolar kids travel tough road to teenhood
Children diagnosed with bipolar disorder, a psychiatric ailment characterized by severe mood swings, exhibit a depressingly poor response to standard drug treatments and psychotherapy.