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Jan 29, 2024 · In a study that has yet to be peer reviewed, Zheludev and team searched 5.4 million datasets of published genetic sequences and identified almost 30,000 different Obelisks. They appeared in about 10 percent of the human microbiomes the team examined. In one set of data, Obelisks turned up in 50 percent of the patients' oral samples.

Explainer. Never stop learning. The background reading you need on all the science fundamentals and trending science news. Scientists have discovered a new way to destroy cancer cells. Stimulating aminocyanine molecules with near-infrared light caused them to vibrate in sync, enough to break apart the membranes of cancer cells. Aminocyanine molecules are already used in bioimaging as synthetic dyes. Commonly used in low doses to detect cancer, they stay …The movement of people to other parts of the Yucatán Peninsula, including prosperous coastal towns and politically independent settlements, helped the Maya culture continue to thrive after the fall of Mayapan – and there was little evidence of any conflict between these regions before Spanish rule started.Göbekli Tepe, for instance, is a massive stone assembly in present-day Turkey constructed around 11,000 years ago. It was built before the advent of agriculture and is considered to be the oldest known megalith in the world. It seems hunter-gatherers gathered at this site to bid farewell to their dead or to stage sacred ceremonies.The dorsal raphe area of the brain, imaged using confocal microscopy. ( Spitzer Lab, UC San Diego) They found that a severe fright sort of flipped a switch in the neurons, changing the neurotransmission mechanism from glutamate, which excites neurons, to GABA, which inhibits neuronal activity. The switch appears to sustain a fear …The scientists were analyzing 13 years of data from the Fermi Gamma-ray Space Telescope when they noticed the mysterious signal. It was "an unexpected and as yet unexplained feature outside of our galaxy," wrote Francis Reddy of NASA's Goddard Space Flight Center. The powerful telescope can detect gamma rays, which are huge …NASA Successfully Tests Revolutionary Rocket That Could Get Us to Mars Faster. Space 04 January 2024. By David Nield. Thrust from NASA's innovative new rocket engine. (NASA) After setting foot on the Moon, the next destination for humankind is Mars, which presents a whole new set of challenges in speedy, long-distance space travel.Mysterious Cosmic Ray Electrons Hint at an Unexpected Source. A multi-wavelength composite of nearby, young supernova remnant Cassiopeia A. (NASA/JPL-Caltech) The most energetic cosmic-ray electrons ever detected are giving us some vital clues as to the origins of these enigmatic particles. Since 2015, more than 7 million …

In 2013, Texas A&M University materials scientist Michael Demkowicz worked on a study predicting that this kind of nanocrack healing could happen, driven by the tiny crystalline grains inside metals essentially shifting their boundaries in response to stress. Demkowicz also worked on this latest study, using updated computer models to show …Göbekli Tepe, for instance, is a massive stone assembly in present-day Turkey constructed around 11,000 years ago. It was built before the advent of agriculture and is considered to be the oldest known megalith in the world. It seems hunter-gatherers gathered at this site to bid farewell to their dead or to stage sacred ceremonies.The dorsal raphe area of the brain, imaged using confocal microscopy. ( Spitzer Lab, UC San Diego) They found that a severe fright sort of flipped a switch in the neurons, changing the neurotransmission mechanism from glutamate, which excites neurons, to GABA, which inhibits neuronal activity. The switch appears to sustain a fear …We finally know what brought light to the dark and formless void of the early Universe. According to data from the Hubble and James Webb Space Telescopes, the origins of the free-flying photons in the early cosmic dawn were small dwarf galaxies that flared to life, clearing the fog of murky hydrogen that filled intergalactic space.Conditions affecting the nervous system – such as strokes, migraines and dementia – have surged past heart disease to become the leading cause of ill health …Dec 21, 2023 · First-Ever: 3.5 Million-Year-Old Megalodon Tooth Found Undisturbed on Deep-Sea Floor. The ancient tooth resting on the seabed. (Pollerspöck et al., Historical Biology, 2023) A shark sheds up to 40,000 teeth in its lifetime – and megalodon, the greatest predator of them all, was no different. As this fearsome beast roamed the world's oceans ... Astronomers have now managed to track down the origin of the most powerful, furthest-traveling FRB ever to reach us to a tightly-knitted group of seven galaxies, giving researchers some insight into the variety of environments that can generate such curious emissions of light. Dubbed FRB 20220610A, the burst comes from somewhere …And now there's a new one: astrophysicists Gustavo Magallanes-Guijón and Sergio Mendoza of National Autonomous University of Mexico have recorded it sort of… pulsing. Every 76 minutes, like clockwork, the gamma-ray flux of Sgr A* fluctuates. This, the researchers say, is similar in periodicity to changes in the black hole's radio and X-ray ...

3 days ago · The Nature Podcast brings you the best stories from the world of science each week, highlighting the most exciting research from each issue of Nature. We meet the scientists behind the results and ... On 1 March 2023, NASA's Juno spacecraft flew by Jupiter's moon Io, coming within 51,500 km (32,030 miles) of the innermost and third-largest of the four Galilean moons.Cutting Back on One Amino Acid Increases Lifespan of Mice Up to 33%. Research in mice shows limited intakes of one particular essential amino acid can slow the impacts of aging and even lengthen their lifespan. Scientists are now wondering if these findings could help people improve their longevity and quality of life.According to some studies, they occur in up to 2% of cases. If a hole or tear of the posterior capsule is encountered during cataract surgery, the clear gel in the vitreous … A new kind of black hole analog could tell us a thing or two about an elusive radiation theoretically emitted by the real thing.. Using a chain of atoms in single-file to simulate the event horizon of a black hole, a team of physicists has observed the equivalent of what we call Hawking radiation – particles born from disturbances in the quantum fluctuations caused by the black hole's break ...

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Dec 18, 2023 · By Lucie AUBOURG, AFP. (Nathan Dumlao/Unsplash) Moderna CEO Stephane Bancel told AFP his company's experimental vaccine against melanoma could be available in as little as two years, in what would amount to a landmark step against the most serious form of skin cancer. Globally there were an estimated 325,000 new melanoma cases and 57 ,000 ... First-of-Its-Kind 'Quantum Tornado' Achieves Record-Breaking Black Hole Mimicry. A quantum tornado in a helium superfluid. (Leonardo Solidoro) A superfluid vortex controlled in a lab is helping physicists learn …There are, in all, six exoplanets, ranging from 1.94 to 2.85 times the radius of Earth, a category of worlds known as mini-Neptunes. Their orbital periods are, from the innermost, 9.11 days, 13.67 days, 20.52 days, 30.79 days, 41.06 days, and 54.77 days. This means that the exoplanet pairs are in resonances of 3:2, 3:2, 3:2, 4:3, and 4:3; the ...These Ancient Rivers of Stars Have Flowed Since The Milky Way Began. The two rivers, Shiva in blue and Shakti in gold. (ESA/Gaia/DPAC/K. Malhan/CC BY-SA 3.0 IGO) Relics of the Milky Way's birth have just been discovered hiding in plain sight. Towards the center of the galaxy, two streams of stars nearly as old as the Universe have been ...Scientists Say They've Found The Best Place to Spot a UFO in The US. Space 22 March 2024. By David Nield. (KTSDesign/Getty Images) If you want to see …

Jun 3, 2022 · A step-by-step guide to accessing your Popular Science digital subscription. We put all the links and log-in instructions in one place. By PopSci Editors | Updated Jun 3, 2022 10:29 AM EDT Sep 5, 2021 · An international team of astronomers flipped it again in 2018 and found that a planetary nebula is indeed the most likely solar corpse. The Sun is about 4.6 billion years old – gauged on the age of other objects in the Solar System that formed around the same time. Based on observations of other stars, astronomers predict it will reach the ... Past research has linked artificial sweeteners to cancer, and changes in the gut bacteria leading to glucose intolerance; anxiety is now perhaps another thing to consider. While these same results still need to be replicated in human beings, having signs of anxiety in mice is a sound reason to investigate further.Material from a filament of plasma erupting from the Sun's surface broke away and appeared to form a crown-like vortex over the solar north pole. Further analysis will be required to determine whether or not this is what actually occurred. For now, scientists are saying that they've not quite seen anything like it – and the footage itself is ...Earth Received a Message Laser-Beamed From 10 Million Miles Away in NASA Test. Eventually, we're going to want to expand the World Wide Web across the galaxy, and NASA recently demonstrated a key piece of tech that could help, beaming messages via laser across a distance of almost 16 million kilometers (10 million miles).Fasting-Style Diet Seems to Result in Dynamic Changes to The Human Brain. Scientists looking to tackle our ongoing obesity crisis have made an important discovery: Intermittent calorie restriction leads to significant changes both in the gut and the brain, which may open up new options for maintaining a healthy weight.Discovered by scientists in 2000, more than 700 meters (2,300 feet) beneath the surface, the Lost City Hydrothermal Field is the longest-lived venting environment known in the ocean. Nothing else like it has ever been found. For at least 120,000 years and maybe longer, the upthrusting mantle in this part of the world has reacted with seawater ...Golden Orb Found at Bottom of The Ocean Mystifies Scientists. The mystery blob. (NOAA Ocean Exploration, Seascape Alaska) At around 3,300 meters (2 miles) below the surface off the coast of Alaska, where the warm light of the Sun never penetrates, an NOAA Ocean Exploration remotely operated underwater vehicle came across a strange, golden orb.These are electrons that exist under conditions that effectively make them massless, allowing them to behave more like photons and oscillate at the speed of light. This discovery, the researchers say, will allow a better understanding of topological materials – quantum materials that behave as an electronic insulator on the inside and ... Based on the results obtained by the researchers, light can be slowed down by more than 10,000 times in this system. At the same time, the light loss is reduced by more than five times compared with other comparable methods. Key to the new approach is the way that the tiniest building blocks of the metasurface – known as meta-atoms – are ... The second 'hole' in the Sun's atmosphere. (NASA/Solar Dynamics Observatory) A giant 'hole' has appeared on the surface of the Sun, and it could send 1.8 million-mph solar winds toward Earth by Friday. It follows the discovery of a coronal hole on the Sun 30 times the size of Earth. As this first 'hole' begins rotating away from us, a new …Jan 29, 2024 · In a study that has yet to be peer reviewed, Zheludev and team searched 5.4 million datasets of published genetic sequences and identified almost 30,000 different Obelisks. They appeared in about 10 percent of the human microbiomes the team examined. In one set of data, Obelisks turned up in 50 percent of the patients' oral samples.

After cutting off bits of the algae the researchers saw differences in intensity of green pigmentation at its regeneration sites. At night these spots were relatively transparent, whereas during the day they became a solid, opaque green. Growth of a Giant Single Cell is Intertwined with Daily Self-Rhythms. Watch on.

First-of-Its-Kind 'Quantum Tornado' Achieves Record-Breaking Black Hole Mimicry. A quantum tornado in a helium superfluid. (Leonardo Solidoro) A superfluid vortex controlled in a lab is helping physicists learn …Update 29 June 2023: The second announcement is in! We've officially detected high-energy neutrinos coming from without our own galaxy. They've given us the first neutrino map of the galactic plane and also hint at the origin of mysterious cosmic rays. The discovery was made by the IceCube Neutrino Observatory built deep within the Antarctic …Göbekli Tepe, for instance, is a massive stone assembly in present-day Turkey constructed around 11,000 years ago. It was built before the advent of agriculture and is considered to be the oldest known megalith in the world. It seems hunter-gatherers gathered at this site to bid farewell to their dead or to stage sacred ceremonies.E. coli on a plate. (Ted Horowitz Photography/Getty Images) A single-celled organism with no brain or nervous system to speak of may still form memories and pass those memories on to future generations, according to new research. The ubiquitous bacterium, Escherichia coli, is one of the most well-studied life forms on Earth, and yet scientists ...A team of astronomers led by Anna Shapiro of the Max Planck Institute for Solar System Research in Germany has narrowed down the options. According to a new analysis, Earth-like exoplanets orbiting Sun-like stars with a relatively low metal content are more likely to be protected from harmful UV radiation that could hinder life by exposing it ... E. coli on a plate. (Ted Horowitz Photography/Getty Images) A single-celled organism with no brain or nervous system to speak of may still form memories and pass those memories on to future generations, according to new research. The ubiquitous bacterium, Escherichia coli, is one of the most well-studied life forms on Earth, and yet scientists ... Space 24 November 2023. By Michelle Starr. An artist's impression of the detection of the Amaterasu particle. (Osaka Metropolitan University/L-INSIGHT, Kyoto University/Ryuunosuke Takeshige) A cosmic ray that smacked into Earth's atmosphere has absolutely gobsmacked astrophysicists. The tiny particle was carrying in excess of 240 …For people with existing cardiovascular disease, restricting their eating window between 8 and 10 hours a day was associated with a 66 percent higher risk of death from …Neurons in The Brain Appear to Follow a Distinct Mathematical Pattern. Nature 01 January 2024. By Rebecca Dyer. Illustration of active neurons. (Firstsignal/Canva Pro) Researchers taking part in the Human Brain Project have identified a mathematical rule that governs the distribution of neurons in our brains.

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Orcas Have Learned Brutal New Hunting Techniques to Feed in The Open Sea. Nature 21 March 2024. By Michelle Starr. An orca seen hunting a Pacific white-sided dolphin. (McInnes et al., PLOS One, 2024) A population of orcas hanging out far off the coast of California have worked out the best methods for hunting their prey in open waters.Fasting-Style Diet Seems to Result in Dynamic Changes to The Human Brain. Scientists looking to tackle our ongoing obesity crisis have made an important discovery: Intermittent calorie restriction leads to significant changes both in the gut and the brain, which may open up new options for maintaining a healthy weight.Past research has linked artificial sweeteners to cancer, and changes in the gut bacteria leading to glucose intolerance; anxiety is now perhaps another thing to consider. While these same results still need to be replicated in human beings, having signs of anxiety in mice is a sound reason to investigate further.A fungal superbug called Candida auris is spreading rapidly through hospitals and nursing homes in the US. The first case was identified in 2016. Since then, it has spread to half the country's 50 states. And, according to a new report, infections tripled between 2019 and 2021. This is hugely concerning because Candida auris is resistant to ...In preparation for the arrival of taikonauts on the Red Planet, China is gearing up to return samples of Martian soil and rock to Earth roughly two years ahead of the proposed NASA-ESA Mars Sample Return (MSR). This mission will be the third in the China National Space Administration's (CNSA) Tianwen program ( Tianwen-3) and will …And now there's a new one: astrophysicists Gustavo Magallanes-Guijón and Sergio Mendoza of National Autonomous University of Mexico have recorded it sort of… pulsing. Every 76 minutes, like clockwork, the gamma-ray flux of Sgr A* fluctuates. This, the researchers say, is similar in periodicity to changes in the black hole's radio and X-ray ...Oct 9, 2023 · An artist's impression of the Parker Solar Probe near the Sun's corona. (NASA Goddard/YouTube) Falling through the Solar System at an astonishing 635,266 kilometers (394,736 miles) per hour, NASA's Parker Solar Probe has just smashed the record for fastest object ever to be created by human hands. The event on September 27 marks the turning ... Elon Musk Says Neuralink Has Implanted First Ever Human Brain Chip Tech 31 January 2024. The coolest technology news. From artificial intelligence and robots to quantum computing, renewable energy, lasers, and awesome experiments. We Just Got a Major Step Closer to Teleporting Images Using Only Light. Teleportation of quantum states promises to play a central role in securing the information superhighway of tomorrow. In spite of the headway that's been made, the process remains slow and kind of clunky. That could change, with scientists using a new process that could ... ….

New 'Mind-Reading' AI Translates Thoughts Directly From Brainwaves – Without Implants. A world-first, non-invasive AI system can turn silent thoughts into text while only requiring users to wear a snug-fitting cap. The Australian researchers who developed the technology, called DeWave, tested the process using data from more than two dozen ... Then It Started to Glow. Simulation of a warped and spinning black hole. (Yukterez/Wikimedia Commons, CC BY-SA 4.0) A black hole analog could tell us a thing or two about an elusive radiation theoretically emitted by the real thing. Using a chain of atoms in single-file to simulate the event horizon of a black hole, a team of physicists in 2022 ...Material from a filament of plasma erupting from the Sun's surface broke away and appeared to form a crown-like vortex over the solar north pole. Further analysis will be required to determine whether or not this is what actually occurred. For now, scientists are saying that they've not quite seen anything like it – and the footage itself is ...Killer whales eating white sharks in Mossel Bay, South Africa. Watch on. An individual in the group of orcas was later identified as 'Starboard', a famous male with a collapsed dorsal fin. Starboard has …But now, scientists have harnessed two strains of fungi found in soils to break down lab samples of polypropylene in just 140 days. The two fungi, Aspergillus terreus and Engyodontium album, made a meal of the plastic in the lab experiments: Between 25 and 27 percent of samples were devoured after 90 days, and the plastic was completely broken ...In preparation for the arrival of taikonauts on the Red Planet, China is gearing up to return samples of Martian soil and rock to Earth roughly two years ahead of the proposed NASA-ESA Mars Sample Return (MSR). This mission will be the third in the China National Space Administration's (CNSA) Tianwen program ( Tianwen-3) and will …Twenty 819-day periods is a total of 16,380 days. If you multiply the Tzolk'in 63 times, you get 16,380 days. In fact, 16,380 is the smallest multiple that 260 and 819 have in common. So the two link up …The scent of coffee.The clarity of sunlight dappling through the trees. The howl of the wind in the dark of night. All this, according to a philosophical argument published in 2003, could be no more real than pixels on a screen.It's called the simulation hypothesis, and it proposes that if humanity lives to see a day it can repeatedly simulate …Jun 1, 2022 · The author of a new research article in the International Journal of Astrobiology says that ETCs may not need starships to escape existential threats and travel to another star system. They could instead use free-floating planets, also known as rogue planets. The article is "Migrating extraterrestrial civilizations and interstellar colonization ... Sciencealert, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]