Sentences with phrase «microstructures found»

Washington, DC — A team of scientists including Carnegie's Dina Bower and Andrew Steele weigh in on whether microstructures found in 3.46 billion - year - old samples of a silica - rich rock called chert found in Western Australia are the planet's oldest fossils.
To boost sensitivity to touch, some of them mimic microstructures found in beetles and dragonflies, for example, but none reported so far can sense the direction of stress.

Not exact matches

The researchers looked for evidence of ancient altercations by examining 350 adult Neolithic skulls from British burial sites and analyzing the microstructure of any fractures they found.
Engineers have found ways to endow ordinary materials with intricate microstructures, creating «metamaterials» that can curve light around very small objects and make them invisible.
They also have found small red microstructures that resemble red blood cells.
Cindy Barrera, a postdoctoral researcher in Cornish's lab, found in tests that eggshells have porous microstructures that provide larger surface area for contact with the rubber, and give rubber - based materials unusual properties.
Find the paper «Two - scale topology optimization with microstructures» online at: https://arxiv.org/pdf/1706.03189.pdf
Kirilenko presented the findings on 30 November at the National Bureau of Economic Research's Market Microstructure Meeting.
The team's findings reveal a new type of feather microstructure, according to evolutionary biologist Matthew Shawkey of Ghent University in Belgium, who was not involved in the study.
Brown researchers have found a way to 3 - D print intricate temporary microstructures that can be degraded on demand using a biocompatible chemical trigger.
However, according to new findings published in the journal Nature Communications, carbon - sulfur microstructures that would be recognized today by some experts as biomaterials are capable of self - assembling under certain conditions, even without direct biological activity.
«Our findings suggest that differences in white matter microstructure may partially account for the variance in functional outcomes among this population.
Dated to 3.43 billion years ago in sandstone from the Strelley Pool Formation in Western Australia, the microstructures were found with micrometer - sized pyrite crystals (fool's gold, an iron - sulfur mineral), as would be expected as the metabolic by - products of sulfur - based life that employ «sulphate - reduction and sulphur - disproportionation pathways.»
In a paper titled «Rational or Irrational: A Comprehensive Study of Stock Market Crashes,» the authors find that behavioural factors and other market microstructure issues are more significant than macroeconomic factors in explaining stock market crashes.
Using tract - based spatial statistics (TBSS), a method of assessing changes in white - matter microstructure on a voxel-wise level across the whole brain, Wang et al. (2012) found significantly lower FA and higher mean diffusivity (MD), RD and AD in many white - matter tracts in adolescents with disruptive behavior disorders (DBDs) and comorbid ADHD compared to HCs (Wang et al. 2012).
a b c d e f g h i j k l m n o p q r s t u v w x y z