The ice buried inside comet 67P/ Churyumov-Gerasimenko is mainly found in crystalline form, which implies that it originated in the protosolar nebula and is therefore the same age as the Solar System. This discovery was made ...
Space Exploration
Mar 9, 2016
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19
It's now been over a month since the New Horizons spacecraft flew by one of the last unknown outposts of our solar system and although we've only just seen a trickle of the data it collected, it has all been rather exciting. ...
Space Exploration
Aug 20, 2015
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20
DNA is synonymous with life, but where did it originate? One way to answer this question is to try to recreate the conditions that formed DNA's molecular precursors. These precursors are carbon ring structures with embedded ...
Astronomy
May 6, 2015
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1725
It's nearly 50 years since Gordon Moore predicted that the density of transistors on an integrated circuit would double every two years. "Moore's Law" has turned out to be a self-fulfilling prophecy that technologists pushed ...
Nanophysics
Feb 18, 2015
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546
Plants need nitrogen and carbon to grow. Photosynthesis allows them to take in the latter directly from the air, but they have to procure nitrogen through their roots in the form of organic molecules like ammonia or urea. ...
Materials Science
Sep 26, 2014
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0
(Phys.org) —Mother Nature's helper in turning nitrogen from the air into ammonia is an enzyme called nitrogenase that uses molybdenum and iron; scientists want to learn natural catalyst's secrets and apply them to synthetic ...
Biochemistry
May 8, 2014
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0
Just a single foreign atom located in the vicinity of a molecule can change spatial arrangement of its atoms. In a spectacular experiment, an international team of researchers was able to change positions of the nuclei of ...
Materials Science
Jan 16, 2014
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0
The trifluoromethyl group is present in many pharmaceutical and agrochemical products owing to its useful biological properties. A number of trifluoromethylated amine compounds display high bioactivity and are therefore of ...
Materials Science
Sep 27, 2013
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0
Calcium can do much more than strengthen bones. The mineral is a critical nutrient for healthy tree growth, and new research shows that adding it to the soil helps reverse the decades-long decline of forests ailing from the ...
Environment
Sep 19, 2013
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0
(Phys.org) —A trio of researchers at California Institute of Technology has developed an iron-based catalyst that allows for reducing dinitrogen (a normal nitrogen molecule with two atoms) to ammonia in a solution. In their ...
