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A novel strain of cyanobacteria, informally called “Chonkus,” has been identified in hydrothermal waters off Italy’s Vulcano Island, sparking interest for its potential in carbon capture. Discovered during a marine study aimed at collecting water samples from the shallow volcanic vents of Vulcano, this large cyanobacteria, formally designated as strain UTEX 3222, displays unique characteristics that may contribute to carbon sequestration efforts.

The hydrothermal environment around Vulcano provides a high carbon dioxide (CO₂) concentration, which is thought to enhance the growth of Chonkus. Observations reveal that the cells of this cyanobacteria develop carbon-dense granules, which accelerate its sinking rate in marine environments. Scientists believe these adaptations allow Chonkus to absorb carbon directly from its environment, promoting its growth and leading it to settle in ocean depths, where it stores the captured carbon.

Potential Benefits for Industrial Applications

Chonkus’s ability to form large colonies and store carbon internally is not just valuable in its natural surroundings; it holds promise for industrial applications. By storing carbon more efficiently than other strains, Chonkus could reduce energy expenses for industries involved in carbon capture by up to 30 percent. Professor George Church, a prominent Health Sciences and Technology researcher affiliated with Harvard University and the Massachusetts Institute of Technology, noted that the discovery taps into natural evolutionary processes, potentially assisting humanity in addressing the climate crisis through environmentally efficient means.

Balancing Innovation and Environmental Caution

While Chonkus exhibits a range of desirable traits for carbon capture, researchers advise cautious application. Large-scale microbial releases may disrupt existing ecosystems and carbon retention may not be permanent if these organisms die. Nevertheless, given its resilience to high temperatures and rapid growth rate it holds potential for various bio-manufacturing uses, particularly in settings like bioreactors.

Although there are still challenges to address, this discovery signals a promising step toward more sustainable carbon capture solutions through naturally occurring microbial adaptations.

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Will Earth’s Gravity Alter Apophis Asteroid in 2029? Find Out!

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November 14, 2024

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Will Earth’s Gravity Alter Apophis Asteroid in 2029? Find Out!

A close encounter between Earth and asteroid 99942 Apophis is expected to take place in April 2029. Named after an ancient Egyptian deity associated with darkness and disorder, Apophis will pass within 32,000 kilometres (20,000 miles) of Earth. According to recent simulations by Johns Hopkins University Applied Physics Laboratory, this event could cause significant shifts on the asteroid’s surface due to Earth’s gravitational influence.

Surface Disturbance Predicted by Simulation

The study was led by planetary scientist Dr Ronald Ballouz and was published The Planetary Science Journal. It suggests that Apophis‘ proximity to Earth might create seismic disturbances on its surface. These effects could cause surface movements that are measurable from Earth, giving scientists an unprecedented opportunity to observe near-Earth asteroids in a unique way. The asteroid, approximately 335 metres (1,100 feet) across, was initially calculated to be on a potential collision course with Earth upon its discovery in 2004. Current analysis has confirmed that there is no threat of impact in the foreseeable future.

Possible Impact on the Asteroid’s Rotation

As per a report by Space.com, another expected outcome is a change in Apophis’ rotational state. As it nears Earth, gravitational forces may alter its spin, which could result in surface reshaping as the asteroid continues orbiting the Sun over time. Past research has noted that asteroids showing less space-weathering than anticipated, like 25143 Itokawa, may owe these qualities to close planetary flybys. This particular flyby will thus allow scientists to study such transformations directly.

An Opportunity for Observation

As Apophis is projected to be visible without telescopes during its approach. As reported, researchers anticipate capturing detailed images of any changes. The findings from this study are expected to deepen understanding of how close encounters impact near-Earth objects, potentially influencing future research and asteroid-monitoring efforts.

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NASA Astronaut Sunita Williams Refutes Health Concerns Amid ISS Mission

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November 13, 2024

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NASA Astronaut Sunita Williams Refutes Health Concerns Amid ISS Mission

NASA astronaut Sunita Williams has recently addressed speculations surrounding her health condition while on the International Space Station (ISS), discarding recent claims made by media outlets regarding her wellbeing. In response to reports that suggested she appeared “gaunt” due to an extended stay on the ISS, Williams clarified her status during a video interview on November 12, explaining that her weight has remained unchanged since her arrival in orbit.

Routine Exercise and Physical Adaptations

Williams, who commands Expedition 72 aboard the ISS, responded to health concerns publicly, indicating that any changes in her physical appearance are the result of rigorous exercise routines rather than health deterioration. Like all astronauts on extended missions, she has been following an intense workout regimen designed to counteract the muscle and bone density loss commonly associated with prolonged microgravity exposure. Williams stated that her routine includes running on a treadmill, riding an exercise bike and lifting weights. It is a form of exercise that has led to increased muscle mass, particularly in her thighs and glutes, while her overall weight remains consistent.

NASA’s Statement on Crew Health

NASA had previously denied the reports, emphasising that Williams and her fellow crew members, including NASA astronaut Butch Wilmore, are in good health. Williams and Wilmore, who arrived at the ISS on June 6 aboard Boeing’s Starliner capsule, were initially scheduled for a ten-day mission under the Crew Flight Test programme. Technical issues with Starliner’s thrusters led NASA to extend their stay on the ISS until early 2025, when they are expected to return with SpaceX’s Crew-9 mission astronauts.

Current ISS Crew Status

The current ISS team, led by Williams, includes three NASA astronauts and three Russian cosmonauts, all working collaboratively despite recent media scrutiny. Williams assured viewers that her health and morale remain robust as the crew carries out essential research and maintenance tasks on the orbiting laboratory showing NASA’s confidence in their well-being during extended missions.

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Math reveals secrets to gaining height on a half-pipe

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November 13, 2024

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Math reveals secrets to gaining height on a half-pipe

A recent study reveals how skateboarders can use mathematical insights to increase their speed and height on half-pipes. Florian Kogelbauer, a mathematician from ETH Zurich, and his research team have examined how specific movements impact a skateboarder’s performance on U-shaped ramps. By alternating between crouching and standing in certain areas, skaters can generate extra momentum, leading to higher jumps and faster speeds. This research, published in Physical Review Research, could lead to more efficient techniques for skaters aiming to improve their skills.

Modelling Momentum on Half-Pipes

The research was published in American Physical Society Journal. The technique of “pumping,” or alternating between crouching and standing, is essential for building speed on half-pipes. Kogelbauer’s team created a model to show how the body’s centre of mass affects movement on a ramp, much like the mechanics of a swing. In their calculations, they found that crouching while moving downhill and standing while moving uphill helps skaters gain height more effectively. This rhythm, the team suggests, could help skaters reach higher elevations on the ramp in fewer motions.

Testing the Theory with Real Skaters

To test the model’s validity, researchers observed two skateboarders as they navigated a half-pipe. They were asked to reach a specific height as quickly as possible. Video analysis revealed that the more experienced skater naturally followed the model’s suggested pattern, reaching the target height with fewer motions. The less experienced skater, who did not follow the pattern as precisely, required more time to reach the same height. This contrast suggests that experienced skaters intuitively apply these principles for better performance.

Broader Applications Beyond Skateboarding

According to Sorina Lupu, an engineer at the California Institute of Technology, this simplified model may also have applications in robotics. By demonstrating how minimal adjustments in body position can impact speed and height, this study offers insights that could make robotic movement more efficient. For engineers, this research indicates that straightforward models of human movement could be used to enhance robotic performance, providing an alternative to complex machine-learning models often used in robotics.

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