ScienceDaily: Strange Science News |
- Revamped design could take powerful biological computers from the test tube to the cell
- New study of Yellowstone National Park shines new light on once hidden details of the famous American landmark
- Dense bones allowed Spinosaurus to hunt underwater
- Researchers map the movement of white dwarfs of the Milky Way
- Biodegradable implant could help doctors monitor brain chemistry
- Researchers control brain circuits from a distance using infrared light
- Nearby star could help explain why our Sun didn’t have sunspots for 70 years
- Blowing bubbles in dough to bake perfect yeast-free pizza
- Could the asteroid Ryugu be a remnant of an extinct comet? Scientists now answer
- Qubits: Developing long-distance quantum telecommunications networks
- Engineers develop a ‘magnetic tentacle robot’ to pass into the narrow tubes of the lung
- Scientists see what research participants picture in their mind’s eye
| Revamped design could take powerful biological computers from the test tube to the cell Posted: 23 Mar 2022 12:16 PM PDT Researchers may have developed long-lived biological computers that could potentially persist inside cells. Researchers forgo the traditional DNA-based approach, opting instead to use the nucleic acid RNA to build computers. The results demonstrate that the RNA circuits are as dependable and versatile as their DNA-based counterparts. What's more, living cells may be able to create these RNA circuits continuously, something that is not readily possible with DNA circuits. |
| Posted: 23 Mar 2022 09:51 AM PDT Those who have visited the park may have asked themselves, 'Where does all the hot water come from?' A study now provides stunning subsurface images that begin to answer that question. |
| Dense bones allowed Spinosaurus to hunt underwater Posted: 23 Mar 2022 09:51 AM PDT Spinosaurus is the largest predatory dinosaur known -- over two metres longer than the longest Tyrannosaurus rex -- but the way it hunted has been a subject of debate for decades. In a new paper, palaeontologists have taken a different approach to decipher the lifestyle of long-extinct creatures: examining the density of their bones. |
| Researchers map the movement of white dwarfs of the Milky Way Posted: 23 Mar 2022 07:12 AM PDT White dwarfs were once normal stars similar to the Sun but then collapsed after exhausting all their fuel. These interstellar remnants have historically been difficult to study. However, a recent study reveals new information about the movement patterns of these puzzling stars. |
| Biodegradable implant could help doctors monitor brain chemistry Posted: 22 Mar 2022 02:05 PM PDT A wireless, biodegradable sensor could offer doctors a way to monitor changes in brain chemistry without requiring a second operation to remove the implant, according to an international team of researchers. |
| Researchers control brain circuits from a distance using infrared light Posted: 22 Mar 2022 12:09 PM PDT Scientists have developed the first non-invasive technique for controlling targeted brain circuits in behaving animals from a distance. The tool has the potential to solve one of the biggest unmet needs in neuroscience: a way to flexibly test the functions of particular brain cells and circuits deep in the brain during normal behavior. |
| Nearby star could help explain why our Sun didn’t have sunspots for 70 years Posted: 22 Mar 2022 09:28 AM PDT Astronomers identified a nearby star whose sunspot cycles appear to have stopped. Studying this star might help explain the unusual period from the mid 1600s to the early 1700s when our Sun paused its sunspot cycles. |
| Blowing bubbles in dough to bake perfect yeast-free pizza Posted: 22 Mar 2022 08:13 AM PDT Researchers have developed a method to leaven pizza dough without yeast. The team, which included its very own professional pizza-maker/graduate student, prepared the dough by mixing water, flour, and salt and placing it in a hot autoclave, an industrial device designed to raise temperature and pressure. From there, the process is like the one used to produce carbonation in soda. Gas is dissolved into the dough at high pressure, and bubbles form in the dough as pressure is released during baking. |
| Could the asteroid Ryugu be a remnant of an extinct comet? Scientists now answer Posted: 22 Mar 2022 08:13 AM PDT The Hayabusa2 mission has recently uncovered information on the physical characteristics of the asteroid 'Ryugu,' which, according to the conventional theory, forms from a collision between larger asteroids. Now, a study by scientists from Japan suggests that Ryugu is, in fact, an extinct comet. With a simple physical model that fits currently available observations, the study provides a better understanding of comets, asteroids, and the evolution of our solar system. |
| Qubits: Developing long-distance quantum telecommunications networks Posted: 22 Mar 2022 08:12 AM PDT Computers, smartphones, GPS: quantum physics has enabled many technological advances. It is now opening up new fields of research in cryptography (the art of coding messages) with the aim of developing ultra-secure telecommunications networks. There is one obstacle, however: after a few hundred kilometers within an optical fiber, the photons that carry the qubits or 'quantum bits' (the information) disappear. They therefore need 'repeaters', a kind of 'relay', which are partly based on a quantum memory. By managing to store a qubit in a crystal (a 'memory') for 20 milliseconds, a team has now taken a major step towards the development of long-distance quantum telecommunications networks. |
| Engineers develop a ‘magnetic tentacle robot’ to pass into the narrow tubes of the lung Posted: 21 Mar 2022 05:54 PM PDT Engineers and scientists have developed proof of concept for a robot that can reach some of the smallest bronchial tubes in the lungs - to take tissue samples or deliver cancer therapy. Known as a magnetic tentacle robot, it measures just 2 millimeters in diameter, about twice the size of the tip of a ballpoint pen. Magnets on the outside of the patient will guide the tentacle robot into place. |
| Scientists see what research participants picture in their mind’s eye Posted: 18 Mar 2022 05:02 AM PDT Researchers have found that the meaning of what a person is imagining can be determined from the pattern of their electrical brain activity, even if what they are imagining is different from what they are looking at, and that real-time feedback makes this distinction even clearer. Communication devices based on this technology could be invaluable for severely paralyzed patients, such as those with amyotrophic lateral sclerosis, who are otherwise unable to express their thoughts. |
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