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Categories: Engineering: Nanotechnology, Geoscience: Geology

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Chemistry: Biochemistry Engineering: Nanotechnology Offbeat: General
Published

Revolutionary nanodrones enable targeted cancer treatment      (via sciencedaily.com)     Original source 

A research team has unveiled a remarkable breakthrough in cancer treatment.

Engineering: Nanotechnology
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Artificial intelligence unravels mysteries of polycrystalline materials      (via sciencedaily.com)     Original source 

Researchers have used artificial intelligence to solve a difficult problem in crystal science. Seeking to understand why crystals develop tiny defects called dislocations, the researchers discovered unique defects that look like staircases. This discovery helps to better understand the defects in crystals that reduce the efficiency of complex polycrystalline materials used in our everyday electronic devices.

Anthropology: Cultures Archaeology: General Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geology Paleontology: Fossils
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Mesopotamian bricks unveil the strength of Earth's ancient magnetic field      (via sciencedaily.com)     Original source 

Ancient bricks inscribed with the names of Mesopotamian kings have yielded important insights into a mysterious anomaly in Earth's magnetic field 3,000 years ago, according to a new study.

Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geology Space: Astrophysics Space: General Space: The Solar System
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Exoplanets' climate -- it takes nothing to switch from habitable to hell      (via sciencedaily.com)     Original source 

The Earth is a wonderful blue and green dot covered with oceans and life, while Venus is a yellowish sterile sphere that is not only inhospitable but also sterile. However, the difference between the two bears to only a few degrees in temperature. A team of astronomers has achieved a world's first by managing to simulate the entirety of the runaway greenhouse process which can transform the climate of a planet from idyllic and perfect for life, to a place more than harsh and hostile. The scientists have also demonstrated that from initial stages of the process, the atmospheric structure and cloud coverage undergo significant changes, leading to an almost-unstoppable and very complicated to reverse runaway greenhouse effect. On Earth, a global average temperature rise of just a few tens of degrees, subsequent to a slight rise of the Sun's luminosity, would be sufficient to initiate this phenomenon and to make our planet inhabitable.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Engineering: Nanotechnology
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For this emergent class of materials, 'solutions are the problem'      (via sciencedaily.com)     Original source 

Materials scientists developed a fast, low-cost, scalable method to make covalent organic frameworks (COFs), a class of crystalline polymers whose tunable molecular structure, large surface area and porosity could be useful in energy applications, semiconductor devices, sensors, filtration systems and drug delivery.

Engineering: Graphene Engineering: Nanotechnology Physics: General Physics: Optics
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Ultrafast lasers map electrons 'going ballistic' in graphene, with implications for next-gen electronic devices      (via sciencedaily.com)     Original source 

Research reveals the ballistic movement of electrons in graphene in real time. The observations could lead to breakthroughs in governing electrons in semiconductors, fundamental components in most information and energy technology.

Environmental: Water Geoscience: Earth Science Geoscience: Geography Geoscience: Geology
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Drones capture new clues about how water shapes mountain ranges over time      (via sciencedaily.com)     Original source 

Drones flying along miles of rivers in the steep, mountainous terrain of central Taiwan and mapping the rock properties have revealed new clues about how water helps shape mountains over geological time.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Microbiology Chemistry: Biochemistry Chemistry: Organic Chemistry Engineering: Nanotechnology
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Nanoprobe with a barcode      (via sciencedaily.com)     Original source 

Protein-splitting enzymes play an important role in many physiological processes. Such proteases are generally present in an inactive state, only becoming activated under certain conditions. Some are linked to diseases like infections or cancer, making it important to have methods that can selectively detect active proteases. Scientists have introduced a new class of protease-activity sensors: gold nanoparticles equipped with peptide DNA.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Engineering: Nanotechnology
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Spinning up control: Propeller shape helps direct nanoparticles      (via sciencedaily.com)     Original source 

Self-propelled nanoparticles could potentially advance drug delivery and lab-on-a-chip systems -- but they are prone to go rogue with random, directionless movements. Now, an international team of researchers has developed an approach to rein in the synthetic particles.

Engineering: Nanotechnology Physics: Optics
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In a new light -- new approach overcomes long-standing limitations in optics      (via sciencedaily.com)     Original source 

When you look up at the sky and see clouds of wondrous shapes, or struggle to peer through dense, hazy fog, you're seeing the results of 'Mie scattering', which is what happens with light interacts with particles of a certain size. There is a growing body of research that aims to manipulate this phenomenon and make possible an array of exciting technologies. Researchers have now developed a new means of manipulating Mie scattering from nanostructures.

Environmental: Water Geoscience: Earth Science Geoscience: Earthquakes Geoscience: Environmental Issues Geoscience: Geochemistry Geoscience: Geography Geoscience: Geology
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New geophysical technique enhances imaging of fluid-filled rocks finding connections with microearthquakes      (via sciencedaily.com)     Original source 

Scientists have recently introduced a new method called ambient noise differential adjoint tomography, which allows researchers to visualise rocks with fluids better, leading to potential advancements in the discovery of water and oil resources, as well as applications in urban geologic hazard and early warning systems for tsunamis and the understanding of the water cycle.

Engineering: Nanotechnology Physics: General Physics: Optics
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Chance twists ordered carbon nanotubes into 'tornado films'      (via sciencedaily.com)     Original source 

Scientists have developed two new methods to create ordered carbon nanotube films with either a left- or right-handed chiral pattern.

Anthropology: General Biology: Biochemistry Biology: Botany Biology: Cell Biology Biology: Evolutionary Biology: General Biology: Genetics Biology: Microbiology Biology: Zoology Ecology: Nature Geoscience: Earth Science Geoscience: Geochemistry Geoscience: Geology Paleontology: Fossils Paleontology: General
Published

Molecular fossils shed light on ancient life      (via sciencedaily.com)     Original source 

Paleontologists are getting a glimpse at life over a billion years in the past based on chemical traces in ancient rocks and the genetics of living animals. New research combines geology and genetics, showing how changes in the early Earth prompted a shift in how animals eat.

Chemistry: Inorganic Chemistry Chemistry: Thermodynamics Engineering: Nanotechnology Physics: General Physics: Optics
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Polaritons open up a new lane on the semiconductor highway      (via sciencedaily.com)     Original source 

On the highway of heat transfer, thermal energy is moved by way of quantum particles called phonons. But at the nanoscale of today's most cutting-edge semiconductors, those phonons don't remove enough heat. That's why researchers are focused on opening a new nanoscale lane on the heat transfer highway by using hybrid quasiparticles called 'polaritons.'

Environmental: General Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geochemistry Geoscience: Geology Paleontology: Climate Paleontology: Fossils Paleontology: General
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Geoscientists map changes in atmospheric carbon dioxide over past 66 million years      (via sciencedaily.com)     Original source 

An international consortium of geoscientists has reconstructed atmosphereric levels of carbon dioxide going back 66 million years using proxies in the geoloogical record. Today's concenteration, 420 parts per million, is higher than it's ever been in 14 million years.

Chemistry: Inorganic Chemistry Engineering: Nanotechnology Physics: General Physics: Optics Physics: Quantum Physics
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Bowtie resonators that build themselves bridge the gap between nanoscopic and macroscopic      (via sciencedaily.com)     Original source 

Two nanotechnology approaches converge by employing a new generation of fabrication technology. It combines the scalability of semiconductor technology with the atomic dimensions enabled by self-assembly.

Engineering: Nanotechnology
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New implants linked to less infection and better recovery from orthopedic surgery      (via sciencedaily.com)     Original source 

Superior knee and hip replacements are a step closer after researchers further test and develop a new orthopedic implant coating which has the strong ability to ward off infection -- as well as stimulate bone growth.   The technology consists of novel Silver-Gallium (Ag-Ga) nano-amalgamated particles that can be easily applied to medical device surfaces.