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Category Archives: Uncategorized
Earth may be younger than we think
4/18/2012 When hearing that the isotopic ratio for uranium has been measured to a more accurate value of 137.818, from a previous value of 137.88, one might not think it is such a big deal. However, a recent study indicates … Continue reading
Creating Isotopes Without Nuclear Reactors
Creating Isotopes Without Nuclear Reactors.
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Obsidian and the Lapita at Teouma
11/01/2011 I’m drawn to the story of the Lapita colonization of the Remote Oceania parts of the Pacific, and that’s only partly because of the stunning beauty of the island environments. The Lapita culture settled the area east of the … Continue reading
Using stable isotope analysis to examine the effect of economic change on breastfeeding practices in Spitalfields, London, UK
10/28/2011 Abstract Breastfeeding patterns were subject to a number of fads in 18th and 19th century Britain. Feeding infants by hand, rather than maternal breastfeeding or wet-nursing, became more prevalent among both the wealthy and poor. Substitute foods may have … Continue reading
Turkey invests in medical isotopes
10/28/2011 A helipad is not what you would normally expect to see at a brand new research facility. But that is what sits next to the new Proton Accelerator Facility (PAF) based in Ankara, Turkey. However, the helipad is not … Continue reading
Observation of Selective Isotope Effect in the Ultraviolet excitation of N2: A Computational Study
10/25/2011 Abstract Isotope effects associated with gas phase N2 photolysis are used to interpret Martian atmospheric evolution, icy satellite atmospheric chemistry and meteorite isotopic anomalies from nebular N2 photochemistry. To interpret observations at the highest level, fundamental understanding of the … Continue reading
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How quickly did early humans jump to farming?
10/25/2011 Did early humans immediately give up on fishing, hunting and gathering as soon as they figured out how to farm and herd animals? Archeologists have thought it went pretty quickly. But research examining the residue on clay pots found … Continue reading
The hazy history of air on Saturn’s moon Titan
10/20/2011 Titan’s many similarities to Earth are why astrobiologists are so fascinated by this unusual moon What rocky moon has a nitrogen-rich atmosphere, Earth-like weather patterns and geology, liquid hydrocarbon seas and a relatively good chance to support life? The … Continue reading
Feathers of birds should flock together
10/17/2011 Scientists studying seabirds are pushing for the establishment of a feather bank. Until now, the only way to collect any information from seabirds like albatross or petrels has been attach satellite trackers to their legs when they come to … Continue reading
Radioactive Orchestra: Making Music from Nuclear Isotopes
8/9/2011 Getting excited about excited states, or what Marie Curie has to do with experimental music In 2011, the need to understand radioactivity glared at us with more urgency than ever, in the face of the Fukushima disaster and continued … Continue reading