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EarthNanowaste: Predicting the environmental fate of buckyballs
The potentially harmful effects of buckyballs in aquatic environments could vary depending on the chemistry of the water.
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Long Live the Mammals: Antioxidant redirection extends mouse life span
Increasing the amount of antioxidants naturally produced in the body and directing those molecules to where they're needed can dramatically slow the aging process, according to a new study in mice.
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AstronomyPlanetary Picture? Criteria for planethood cloud object’s identity
Astronomers are debating whether an image of a planetary-mass object orbiting a brown dwarf qualifies as the first image of an extrasolar planet.
By Ron Cowen -
AnimalsAlive and Knocking: Glimpses of an ivory-billed legend
New observations confirm that the famed ivory-billed woodpecker has not gone extinct after all.
By Susan Milius -
HumansLetters from the May 7, 2005, issue of Science News
Clearer yet “Weighing In on a Star: A stellar size limit” (SN: 3/12/05, p. 164) includes three images of the Arches cluster near the center of the Milky Way, each taken with a different telescope. I’d be interested to know what the three telescopes are. John McKeeBrunswick, Maine In the trio of progressively sharper (left […]
By Science News -
Novel drug may take on lung cancer
A drug that bottles up the so-called epidermal growth factor receptor might fight lung cancer.
By Nathan Seppa -
Health & MedicineAnti-inflammatory, anticholesterol drugs vs. cancer
Cholesterol-lowering drugs, especially when combined with anti-inflammatory medication, may inhibit some cancers.
By Nathan Seppa -
Health & MedicineCalcium’s lingering effect slows growths
Calcium supplements' protective effect against colorectal cancer lasts years after a person stops taking the pills.
By Nathan Seppa -
Health & MedicineAnti-inflammatories cut risk of mouth cancer
Taking over-the-counter anti-inflammatory medication can reduce a smoker's likelihood of developing mouth cancer.
By Nathan Seppa -
Mitochondria genes may influence cancer risk
People with cancers of the kidney or prostate are more likely to have a certain genetic variation in the mitochondria within their cells.
By Nathan Seppa -
Health & MedicineMarijuana ingredient slows artery hardening
Low doses of the chemical that causes marijuana's high can slow the progression of atherosclerosis.
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HumansChange of fuel could extend lives in Africa
By switching from biofuels such as wood and charcoal to kerosene or other fossil fuels, people in many parts of Africa could significantly trim indoor air pollution, thereby delaying millions of premature deaths from pulmonary disease over the next 25 years.
By Sid Perkins