NASA's InSight flexes its arm while its 'mole' hits pause
Building NASA's Psyche: design done, now full speed ahead on hardware
NASA's InSight lander has been using its robotic arm to help the heat probe known as the "mole" burrow into Mars. The mission is providing the first look at the Red Planet's deep interior to reveal details about the formation of Mars and, ultimately, all rocky planets, including Earth.
Bad E. coli we know, but good E. coli?
Psyche, the NASA mission to explore a metal-rock asteroid of the same name, recently passed a crucial milestone that brings it closer to its August 2022 launch date. Now the mission is moving from planning and designing to high-gear manufacturing of the spacecraft hardware that will fly to its target in the main asteroid belt between Mars and Jupiter.
Scientists offer roadmap for studying link between climate and armed conflict
Typically, there aren't a lot of positive thoughts when E. coli, generally found in animal and human intestines, is mentioned. It's been blamed for closing beaches and swimming pools and shuttering restaurants because of contamination in salad bars, meats or other food items.
Study reveals science behind traditional mezcal-making technique
Climate change—from rising temperatures and more severe heavy rain, to drought—is increasing risks for economies, human security, and conflict globally. Scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science are leading an effort to better assess the climate-conflict link to help societies manage the complex risks of increased violence from a changing...
Custom nanoparticle regresses tumors when exposed to light
Artisanal makers of mezcal have a tried and true way to tell when the drink has been distilled to the right alcohol level. They squirt some into a small container and look for little bubbles, known as pearls. If the alcohol content is too high or too low, the bubbles burst quickly. But if they linger for 30 seconds or so, the alcohol level is perfect and the mezcal is ready to drink.
Famous 'Jurassic Park' dinosaur is less lizard, more bird
A unique nanoparticle to deliver a localized cancer treatment inhibits tumor growth in mice, according to a team of Penn State researchers.
Boron nitride destroys 'forever' chemicals PFOA, GenX
From movies to museum exhibits, the dinosaur Dilophosaurus is no stranger to pop culture. Many probably remember it best from the movie "Jurassic Park," where it's depicted as a venom-spitting beast with a rattling frill around its neck and two paddle-like crests on its head.
Heat will stay stuck on extra high for July in most of US
Rice University chemical engineers found an efficient catalyst for destroying PFAS "forever" chemicals where they least expected.
Early childhood education centers can boost parents' engagement at home
The heat is on. And for most of America it'll stay on through the rest of the month and maybe longer, meteorologists say.
How to tackle climate change, food security and land degradation
COVID-19 has temporarily shuttered many early childhood education centers across the country, shifting full-time child care and teaching responsibilities largely to parents.
Aggressive seaweed smothers one of world's most remote reefs
How can some of world's biggest problems—climate change, food security and land degradation—be tackled simultaneously?
Shock-dissipating fractal cubes could forge high-tech armor
Researchers say a recently discovered species of seaweed is killing large patches of coral on once-pristine reefs and is rapidly spreading across one of the most remote and protected ocean environments on earth.
Scientists observe catalyst during Fischer-Tropsch synthesis for the first time
Tiny, 3-D printed cubes of plastic, with intricate fractal voids built into them, have proven to be effective at dissipating shockwaves, potentially leading to new types of lightweight armor and structural materials effective against explosions and impacts.
Forbidden herbs? The effects of cannabis were a controversial topic 250 years ago
Suitable catalysts are of great importance for efficient power-to-X applications—but the molecular processes occurring during their use have not yet been fully understood. Using X-rays from a synchrotron particle accelerator, scientists of the Karlsruhe Institute of Technology (KIT) have now been able to observe for the first time a catalyst during the Fischer-Tropsch reaction that facilitates...
Physicist optimizes DNA microscopy technique to improve imaging speed, add color
Should cannabis be legalized for medicinal purposes or will it remain an illegal drug? This has been discussed in many countries for years—and has been a point of contention for much longer than expected: Already in Mexico in the 18th century, priest and scientist José Antonio Alzate y Ramírez campaigned for the healing effects of the controversial plant—against the position of the Spanish...
Using sound to study underwater volcanoes
Super-resolution fluorescence microscopy can be used to visualize structures smaller than 200 nanometers, i.e., below the diffraction limit of light. One of the microscopy techniques, called DNA-PAINT, was developed by Ralf Jungmann, research group leader at the MPI of Biochemistry and Professor for Experimental Physics at LMU, together with colleagues. The technique uses short 'imagers',...
Scientists introduce new method for machine learning classifications in quantum computing
Imagine placing a rock on a piece of suspended cardboard. If the cardboard is strong and hearty, like the cover of a hardback book, the rock can sit there for a long time and the board will barely flex due to the weight of the rock. But if the cardboard is flimsy, more like poster board, it will start to give beneath the weight of the rock, distorting in shape and structure.
Making a list of all creatures, great and small
Quantum information scientists have introduced a new method for machine-learning classifications in quantum computing. The non-linear quantum kernels in a quantum binary classifier provide new insights for improving the accuracy of quantum machine learning, deemed able to outperform the current AI technology.
Predicting fire risk
A paper published July 7, 2020 in the open access journal PLOS Biology outlines a roadmap for creating, for the first time, an agreed list of all the world's species, from mammals and birds to plants, fungi and microbes.
Strange bedfellows: How butterfly caterpillars sustain their association with cocktail ants
Researchers at Oak Ridge National Laboratory developed a method that uses machine learning to predict seasonal fire risk in Africa, where half of the world's wildfire-related carbon emissions originate.
Conservation agriculture increases carbon sequestration in extensive crops
The spectacular leaps of gazelles, group living in deer and monkeys, and fast flight in many insects are all linked by a common phenomenon—predation. In its various forms, predation has driven the evolution of a plethora of specialized structures (morphology) and behaviors among organisms. Insects, being especially vulnerable because of their small size, have evolved various strategies to avoid...
On-chip spin-Hall nanograting for simultaneously detecting phase and polarization singularities
Agricultural activity is responsible for about 12% of the total emissions of greenhouse gases in Spain. Nevertheless, adopting good agricultural practices can help reverse this situation, by increasing the sequestration of organic carbon in soil. With the goal of compensating for CO2 emissions produced by agricultural activity by means of fixing organic carbon in soil, the 4perMille initiative...
Curiosity Mars rover's summer road trip has begun
A plasmonic spin-Hall nanograting structure that simultaneously detects both the polarization and phase singularities of the incident beam is reported. The nanograting is symmetry-breaking with different periods for the upper and lower parts, which enables the unidirectional excitation of the SPP depending on the topological charge of the incident beam. Additionally, spin-Hall meta-slits are...
The limitations of super-resolution microscopy overcome
NASA's Curiosity Mars rover has started a road trip that will continue through the summer across roughly a mile (1.6 kilometers) of terrain. By trip's end, the rover will be able to ascend to the next section of the 3-mile-tall Martian (5-kilometer-tall) mountain it's been exploring since 2014, searching for conditions that may have supported ancient microbial life.
With high-resolution microscopy, it is theoretically possible to image cell structures with a resolution of a few nanometres. However, this has not yet been possible in practice.