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ScienceDaily: Top Science News |
| Tiny robotic crab is smallest-ever remote-controlled walking robot Posted: 25 May 2022 12:17 PM PDT Engineers have developed the smallest-ever remote-controlled walking robot -- and it comes in the form of a tiny, adorable peekytoe crab. Just a half-millimeter wide, the tiny crabs can bend, twist, crawl, walk, turn and even jump. Although the research is exploratory at this point, the researchers believe their technology might bring the field closer to realizing micro-sized robots that can perform practical tasks inside tightly confined spaces. |
| Artificial cilia could someday power diagnostic devices Posted: 25 May 2022 10:12 AM PDT Researchers have now designed a micro-sized artificial cilial system using platinum-based components that can control the movement of fluids at such a scale. The technology could someday enable low-cost, portable diagnostic devices for testing blood samples, manipulating cells or assisting in microfabrication processes. |
| Researchers teleport quantum information across rudimentary quantum network Posted: 25 May 2022 10:11 AM PDT Researchers have succeeded in teleporting quantum information across a rudimentary network. This first of its kind is an important step towards a future quantum Internet. This breakthrough was made possible by a greatly improved quantum memory and enhanced quality of the quantum links between the three nodes of the network. |
| Archaeologists reveal pre-Hispanic cities in Bolivia with laser technology Posted: 25 May 2022 08:09 AM PDT Several hundred settlements from the time between 500 and 1400 AD lie in the Bolivian Llanos de Mojos savannah and have fascinated archaeologists for years. Researchers have now visualized the dimensions of the largest known settlement of the so-called Casarabe culture. Mapping with the laser technology LIDAR indicates that it is an early urbanism with a low population density -- the only known case so far from the Amazon lowlands. The results shed new light on how globally widespread and diverse early urban life was and how earlier societies lived in the Amazon. |
| Scientists identify how the brain links memories Posted: 25 May 2022 08:09 AM PDT Our brains lose the ability to link related memories as we age. Scientists genetically restored this brain function in middle-aged mice and identified an FDA-approved drug that achieves the same thing. The study suggests a new approach for combating middle-aged memory loss and a possible early intervention for dementia. |
| Hot-blooded T. rex and cold-blooded Stegosaurus: Chemical clues reveal dinosaur metabolisms Posted: 25 May 2022 08:08 AM PDT Paleontologists have debated whether dinosaurs were warm-blooded, like modern mammals and birds, or cold-blooded, like modern reptiles. In a new paper, scientists are unveiling a new method for studying dinosaurs' metabolic rates, using clues in their bones. |
| New discovery about distant galaxies: Stars are more massive than we thought Posted: 25 May 2022 07:29 AM PDT A team of astrophysicists has arrived at a major result regarding star populations beyond the Milky Way. The result could change our understanding of a wide range of astronomical phenomena, including the formation of black holes, supernovae and why galaxies die. |
| Researchers create highest efficiency 1-sun solar cell Posted: 24 May 2022 02:12 PM PDT Researchers have created a solar cell with a record 39.5 percent efficiency under 1-sun global illumination. This is believed to be the highest efficiency solar cell of any type, measured using standard 1-sun conditions. |
| How anesthetics affect brain functions Posted: 24 May 2022 08:06 AM PDT Researchers have used functional magnetic resonance imaging (fMRI) to study the precise spatial distribution of synchronously working brain regions in anesthetized humans, long-tailed macaques, common marmosets and rats. The scientists were able to show that the areas where burst-suppression is evident differ significantly in primates and rodents. |
| Astronomers find hidden trove of massive black holes Posted: 24 May 2022 07:05 AM PDT Astronomers have found a previously overlooked treasure trove of massive black holes in dwarf galaxies. The newly discovered black holes offer a glimpse into the life story of the supermassive black hole at the center of our own Milky Way galaxy. |
| Microbes can degrade the toughest PFAS Posted: 23 May 2022 01:28 PM PDT Engineers now report selective breakdown of a particularly stubborn class of PFAS called fluorinated carboxylic acids (FCAs) by common microorganisms. Under anaerobic conditions, a carbon-carbon double bond is crucial for the shattering the ultra-strong carbon-fluorine bond by microbial communities. The resulting products could be relayed to other microorganisms for defluorination under in aerobic conditions. |
| Low-cost gel film can pluck drinking water from desert air Posted: 23 May 2022 01:28 PM PDT Researchers developed a low-cost gel film made of abundant materials that can pull drinkable water from the air in even the driest climates. |
| Twisted soft robots navigate mazes without human or computer guidance Posted: 23 May 2022 12:06 PM PDT Researchers have developed soft robots that are capable of navigating complex environments, such as mazes, without input from humans or computer software. |
| Alcohol may be more risky to the heart than previously thought Posted: 23 May 2022 10:50 AM PDT Levels of alcohol consumption currently considered safe by some countries are linked with development of heart failure. |
| Gene-edited tomatoes could be a new source of vitamin D Posted: 23 May 2022 08:55 AM PDT Tomatoes gene-edited to produce vitamin D, the sunshine vitamin, could be a simple and sustainable innovation to address a global health problem. |
| Hydrogen production method opens up clean energy possibilities Posted: 23 May 2022 08:49 AM PDT A new energy-efficient way to produce hydrogen gas from ethanol and water has the potential to make clean hydrogen fuel a more viable alternative for gasoline to power cars. |
| Self-propelled, endlessly programmable artificial cilia Posted: 05 May 2022 05:59 PM PDT Researchers have developed a single-material, single-stimuli microstructure that can outmaneuver even living cilia. These programmable, micron-scale structures could be used for a range of applications, including soft robotics, biocompatible medical devices, and even dynamic information encryption. |
| Posted: 05 May 2022 11:37 AM PDT Researchers have uncovered how signals from a group of neurons in the brain's frontal lobe simultaneously give humans the flexibility to learn new tasks -- and the focus to develop highly specific skills. |
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