News tagged with stable isotopes
Quantitative imaging application to gut and ear cells
From tracking activities within bacteria to creating images of molecules that make up human hair, several experiments have already demonstrated the unique abilities of the revolutionary imaging technique called multi-isotope ...
Jan 15, 2012 |
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Carnivorous plant traps worms with sticky leaves
Plants eat the darndest things. Scientists have discovered a small flowering plant living in the sandy soils of Brazil that traps nematodes, or roundworms, with sticky underground leaves -- and gobbles them ...
Jan 09, 2012 |
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How algae use a 'sulfate trap' to selectively biomineralize strontium
(PhysOrg.com) -- In any kind of nuclear reactor, there is a small amount of the radioactive isotope strontium-90 that is formed as part of the regular fission process. In fact, fission products such as strontium-90 ...
Oct 21, 2011 |
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New technologies challenge old ideas about early hominid diets
New assessments by researchers using the latest high-tech tools to study the diets of early hominids are challenging long-held assumptions about what our ancestors ate, says a study by the University of Colorado ...
Other Sciences / Archaeology & Fossils
Oct 13, 2011 |
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BBC History Cold Case team solve mystery of Norwich bodies in the well
History Cold Case is returning for a second series on BBC TWO. In the third episode of this new series on Thursday, 14th July, 2011 at 9pm, investigators reveal the extraordinary possible reason that 17 skeletons were discovered ...
Other Sciences / Archaeology & Fossils
Jul 14, 2011 |
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Phoenix Mars Lander finds surprises about red planet's watery past
(PhysOrg.com) -- Liquid water has interacted with the Martian surface throughout Mars' history, measurements by NASA's Phoenix Mars Lander suggest.
Space & Earth / Space Exploration
Sep 09, 2010 |
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Jury still out on sunscreen nanoparticles: study
(PhysOrg.com) -- A technique developed by Macquarie University has proven for the first time that a tiny amount of zinc from sunscreens is absorbed through the skin into the human body, but is not yet able ...
Aug 20, 2010 |
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Hatchery fish are going well . . . and wild
(PhysOrg.com) -- Young mulloway fish reared in hatcheries and released in New South Wales waters are adapting quickly and well to life in the wild, a new study has found.
Jun 18, 2010 |
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Study: Meteorites point to our solar system as source of organic materials
Tiny meteorites found in ultra-pure Antarctic snow may provide scientists with evidence that the building blocks of life may have come from within our own solar system, rather than from the far reaches of ...
Space & Earth / Space Exploration
May 11, 2010 |
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Bald eagle diet shift enhances conservation
An unprecedented study of bald eagle diet, from about 20,000 to 30,000 years ago to the present, will provide wildlife managers with unique information for reintroducing Bald Eagles to the Channel Islands ...
May 03, 2010 |
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Argonne's CARIBU charge breeder breaks world record for efficiency
(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Argonne National Laboratory have pushed the limits of charge breeding and broken a long-standing world record for ionization efficiency of solids.
Apr 13, 2010 |
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Increasingly threatened loggerheads follow their own paths in travel, eating
With loggerhead sea turtle nests in dramatic decline, researchers would love to know more about where the turtles go, and what they eat, so they can better protect the creatures' habitat.
Mar 24, 2010 |
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The Carbon Cycle Before Humans
Geoengineering -- deliberate manipulation of the Earth's climate to slow or reverse global warming -- has gained a foothold in the climate change discussion. But before effective action can be taken, the Earth's ...
Space & Earth / Earth Sciences
Feb 16, 2010 |
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Notorious 'man-eating' lions of Tsavo likely ate about 35 people -- not 135, scientists say
The legendary "man-eating lions of Tsavo" that terrorized a railroad camp in Kenya more than a century ago likely consumed about 35 people--far fewer than popular estimates of 135 victims, according to a new ...
Other Sciences / Archaeology & Fossils
Nov 02, 2009 |
4.7 / 5 (3) |
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Chemists create protein structure database
(PhysOrg.com) -- Any chemist with access to the Internet can now use a powerful tool to help them accurately identify the structure of a protein, thanks to recently published work led by Harold A. Scheraga, Cornell's Todd ...
Sep 09, 2009 |
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