News tagged with parent body
Discovery of the source of the most common meteorites
Jul 10, 2008 |
4.1 / 5 (26) |
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Astronomy & Astrophysics is publishing the first discovery by T. Mothé-Diniz (Brazil) and D. Nesvorný (USA) of asteroids with a spectrum similar to that of ordinary chondrites, the meteoritic material that m ...
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Half-baked asteroids have Earth-like crust
Space & Earth / Earth Sciences
Jan 07, 2009 |
4.7 / 5 (3) |
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Asteroids are hunks of rock that orbit in the outer reaches of space, and scientists have generally assumed that their small size limited the types of rock that could form in their crusts. But two newly discovered ...
Children of smokers have more than 5 times higher levels of a nicotine toxin
Jun 19, 2007 |
4.4 / 5 (5) |
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Children who have at least one parent who smokes have 5.5 times higher levels of cotinine, a byproduct of nicotine, in their urine, according to a study by researchers from Warwick Medical School at the the University of ...
Asteroid Impact Helps Trace Meteorite Origins
Space & Earth / Space Exploration
Mar 25, 2009 |
4.6 / 5 (7) |
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(PhysOrg.com) -- The car-sized asteroid that exploded above the Nubian Desert last October was small compared to the dinosaur-killing, civilization-ending objects that still orbit the sun. But that didn't ...
Digestive process affects anti-cancer activity of tea in gastrointestinal cells
Biology /
Apr 07, 2008 |
5 / 5 (8) |
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Increased consumption of teas rich in catechins is associated with reduced risk of stomach, colon and other gastrointestinal cancers. However, the effects of digestion on the anticancer activity of tea catechins have largely ...
Adverse consequences of obesity may be greater than previously thought
Dec 23, 2009 |
4.3 / 5 (7) |
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The link between obesity and cardiovascular mortality may be substantially underestimated, while some of the adverse consequences of being underweight may be overstated, concludes a study published in the British Medical ...
Meteorites a rich source for primordial soup
Space & Earth / Space Exploration
Mar 13, 2008 |
4.4 / 5 (20) |
1
The organic soup that spawned life on Earth may have gotten generous helpings from outer space, according to a new study. Scientists at the Carnegie Institution have discovered concentrations of amino acids ...
Group treatment may help children achieve healthier weights
Dec 18, 2008 |
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Group-based treatment programs may effectively combat childhood obesity in rural communities, according to a new University of Florida study. Children who participated in one of two group programs — family-based or parent-only ...
Obese moms, asthmatic kids
May 19, 2009 |
1 / 5 (1) |
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Babies born to obese mothers may have an increased risk of asthma, according to data from a new study to be presented on May 19 at the 105th International Conference of the American Thoracic Society in San Diego.
For fish, bigger doesn’t always mean healthier
Nov 17, 2009 |
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(PhysOrg.com) -- Female smallmouth bass tend to prefer bigger male mates, but bigger doesn’t necessarily mean healthier. That’s the finding of a new study in the latest issue of Physiological and Biochemical Zoology that i ...
Scientists get to the root of ancient case of sour grapes
Dec 18, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- Scientists in Cambridge have discovered that a lowly grape variety grown by peasants - but despised by noblemen - during the Middle Ages was the mother of many of today’s greatest grape varieties, ...
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