** Study Finds Link Between Social Stress and Oxidative Stress in Fish Brains
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Source: https://www.popsci.com/environment/fish-brains-stress/
Popular Science publishes a list of 12 gifts that are built to last, featuring durable and well-made items with a focus on quality over quantity.
Source: https://www.popsci.com/gear/built-to-last-gift-guide/
** Breaking news! A Martian meteorite, nicknamed Black Beauty, contains crystals that suggest hot water existed on ancient Mars. The 4.5 billion-year-old rock was blasted into space and later analyzed by scientists from Curtin University in Australia. Research suggests the presence of hot water could have released water vapor into Mars' atmosphere before rivers and lakes formed.
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Archaeologists in Belize have discovered a massive network of ancient fisheries built by hunter-gatherers around 4000 years ago. The system of earthen channels exceeds 640 km in length and is the oldest large-scale fish-trapping facility recorded in Central America.
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NASA's Artemis III mission is planned for early 2026, and SpaceX's Starship will play a crucial role in transporting astronauts to the lunar surface. New concept art reveals the complex process involved, including refueling in low Earth orbit and a controlled descent using two Raptor engines. The Starship Human Landing System (HLS) will dock with Orion before transferring astronauts to the moon, where they'll utilize a specially designed elevator for landing. After completing their mission, the astronauts will reascend into Starship, which will then return to Orion for the trip back home.
Source: https://www.popsci.com/science/starship-artemis-concept-art/
Ethiopian Wolves Discovered Licking "Red Hot Poker" Flowers for Sweet Treats
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New research suggests Mars may have had a steamy past, with a 4.45-billion-year-old grain of zircon in a Martian meteorite indicating the presence of boiling hot hydrothermal systems on the Red Planet. The findings, published in Science Advances, suggest that water was present during early magma-filled days on Mars.
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Source: https://www.popsci.com/science/mars-meterorite-volcanoes/
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International Space Station Leak Sparks Disagreement Between NASA and Russia
A leak in a Russian module on the International Space Station has been ongoing for five years, with NASA warning of potential catastrophic failure. The leak's rate of air loss has increased, but Russian officials downplay its severity. Both agencies agree to seal off the leaky segment if necessary, but disagree on what constitutes an "untenable" rate.
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** Aztec Whistles' Disturbing Sound Triggers Fear and Terror in Modern Listeners, Study Reveals
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Astronomers have detected a powerful shockwave in Stephan's Quintet, a group of five galaxies colliding at 2 million mph. The collision is likened to a "sonic boom from a jet fighter" and has re-energized the plasma and gas in the system.
** Black Friday Deal: Eureka J20 Robot Vacuum on Sale for $330 Off
The popular robot vacuum, Eureka J20, is now available at its lowest price ever, with a $330 discount for Black Friday. The device boasts advanced features such as 8000Pa suction power, navigation around obstacles, and ability to clean both hardwood and carpeted surfaces.
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Source: https://www.popsci.com/gear/eureka-j20-robot-vacuum-amazon-black-friday-deal/
** Ground Beef Recall Issued Nationwide Due to E. coli Contamination, 15 Cases Reported
The U.S. Department of Agriculture's Food Safety and Inspection Service (FSIS) has announced a nationwide recall of over 167,277 pounds of ground beef products contaminated with E. coli. At least 15 people have fallen ill after consuming the affected products, which were produced by Wolverine Packing Co. in Detroit.
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** Logitech's Casa Pop Up Desk Kit is on sale for Black Friday, offering a $30 discount from its original price. This bundle of peripherals aims to provide a convenient and efficient workspace solution for remote or hybrid workers.
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Source: https://www.popsci.com/gear/logitech-casa-pop-up-desk-amazon-black-friday-deal/
Scientists Discover Mysterious 'Minimoon' Orbiting Earth, Possibly Linked to Lunar Origin
Discovering Gold with a Metal Detector: A Guide to Getting Started
Are you interested in finding gold with a metal detector? With the right equipment and knowledge, it's possible to strike gold. Here's a guide to help you get started.
**Understanding Metal Detectors**
Metal detectors come in different types, including VLF (Very Low Frequency) and PI (Pulse Induction). Each type has its strengths and weaknesses when it comes to detecting gold.
* VLF metal detectors are more common and suitable for finding small gold nuggets.
* PI metal detectors can detect larger gold nuggets and are more effective in mineralized soil, but may not discriminate as well between different metals.
**Tips for Finding Gold**
When searching for gold with a metal detector:
* Choose the right location, such as areas where gold has been found before or near streams and rivers.
* Use a systematic search pattern to cover the entire area.
* Be aware of local regulations regarding metal detecting.
* Consider practicing in your own backyard or a designated practice area.
**Important Considerations**
* Environmental protection: Look for metal detectors with IP68 rating for third-party-verified protection against solid foreign objects like dust and water.
* Price range: Metal detectors can cost anywhere from $300 to over $3,000.
* Depth penetration: Some metal detectors can detect gold at depths of up to 2 feet.
Source: https://www.popsci.com/gear/best-metal-detectors-for-gold/
Heart disease develops and presents differently in women and men, affecting cardiovascular risk and treatment outcomes. Medical guidelines often exclude women, leading to underdiagnosis and undertreatment of heart conditions in women.
Archaeologists discover evidence of ancient Egyptian hallucinogenic ritual in 2,200-year-old vase depicting dwarf god Bes. Chemical analysis reveals residues of psychotropic plants and human bodily fluids, suggesting a reenactment of the "Myth of the Solar Eye." Researchers believe the concoction may have been used for divination or to predict pregnancy outcomes.
** Discover a Hidden Tool in Windows: The Package Manager for Efficient App Installation
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** Two Spiral Galaxies Colliding, Creating a Haunting Cosmic Scene
A recent image captured by the James Webb Space Telescope and the Hubble Space Telescope shows two spiral galaxies, IC 2163 and NGC 2207, merging into one. The galaxies, located 80 million light-years away in the constellation Canis Major, have been colliding for millions of years, resulting in a spectacular cosmic dance.
The image reveals bright cores that resemble "blood-soaked" eyes, with spiral arms stretching between the two galaxies' materials. These galaxies are efficient star factories, producing nearly two dozen new sunlike stars each year, far exceeding the Milky Way's rate.
Over time, the galaxies will continue to merge into a single galaxy with reshaped arms and a single brighter core. The image provides a unique glimpse into the cosmic process of galaxy evolution, highlighting the complex interactions between celestial bodies.
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Breakthrough in AI-Predicted Gene Mutations: A New Frontier in Biotechnology?
A revolutionary artificial intelligence model, dubbed Evo, has been developed to accurately predict the effects of gene mutations with "unparalleled accuracy". Trained on millions of microbial genomes, Evo can generate new DNA sequences and analyze patterns at the genome scale. While this technology holds promise for understanding genetic functions and mitigating disease, concerns about safety, ethics, and potential misuse are rising.