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Flagellar Motors: The Secret Behind Bacteria’s Nearly 100% Energy Efficiency

Biology /

When people think of motors, they typically envision those in vehicles or machines. However, biological motors have existed for millions of years, especially in microorganisms. Many bacteria rely on tail-like structures called flagella, which rotate to propel them through fluids. This movement is powered by a protein complex known as the flagellar motor. The flagellar […]

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Magnetism Has Just Solved One of Quantum Tech’s Biggest Challenges

Physics /

Researchers have found a way to preserve quantum properties in 3D materials using magnetic confinement. By stabilizing excitons—energy-carrying quasiparticles—through the magnetic properties of chromium sulfide bromide, they address a major challenge in quantum technology. Quantum effects typically only work at small scales, making them hard to apply in real-world systems like quantum computers. However, Penn

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Design Sem Nome 13

Pterosaur Bones May Inspire Lighter, Stronger Aircraft Materials

Science /

A new analysis of pterosaur bones could lead to lighter and stronger materials for aircraft You might think that if a species went extinct tens of millions of years ago, its design would be too primitive to have any application in modern technology. However, new research on pterosaur bones suggests that their microstructure could inspire

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Seismic Activity Under Alaskan Volcano May Indicate Imminent Eruption

Earth Science, Volcanology /

Small earthquakes beneath Alaska’s Mount Spurr suggest that the volcano may be nearing an eruption. Located about 3,370 meters (11,070 feet) above sea level, the mountain has experienced a surge in seismic activity recently, with thousands of minor earthquakes reported. Increased Chances of Eruption Matthew Haney, a volcano seismologist at the Alaska Volcano Observatory, informed

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Design Sem Nome 12

Quantum Search for the Origin of Time Reveals No Distinction Between Past and Future

Physics, Quantum Physics /

In search of the source of time, University of Surrey physicists Thomas Guff, Chintalpati Umashankar Shastry, and Andrea Rocco examined what they likened to a hot quantum bathtub beneath the endless stretch of eternity. No matter how hard we try, we can’t remember what will happen tomorrow—and physicists still don’t know why. They didn’t find

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Design Sem Nome 6

Why do Men Experience More Severe Heart Attacks than Women?

Healthcare, Medicine /

A recent study has identified testosterone as the reason men suffer greater heart muscle damage after a heart attack than women. Researchers have also found a potential solution using an existing drug. The World Heart Federation’s World Heart Report 2023 highlighted that heart disease has remained the leading cause of death worldwide for decades, with

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Design Sem Nome 5

Asteroid 2024 YR4 May Hit Earth in 7 Years: What’s Being Done

Astronomy, Planetary Science /

The recently discovered asteroid 2024 YR4 has an average 2% chance of colliding with Earth in 2032. While the odds of an impact are slim, astronomers are closely monitoring the asteroid to gather more information — a process that could soon involve the most powerful observatory ever launched into space. Size Estimate and Comparison with

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Design Sem Nome 4

Muscle Tissue and Mechanics Combine in Biohybrid Hand Innovation

Robotics, Science /

Researchers have made significant progress in creating an artificial hand that can grip and perform gestures by integrating lab-grown muscle tissue with flexible mechanical joints. This breakthrough opens up new possibilities for robotics, with numerous potential applications. Challenges in Merging Human Tissue with Machines While we’ve seen a variety of soft robots and innovative mechanical

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Design Sem Nome 3

Recycled Wind Turbine Blades Turned into Asphalt for New Roads

Earth Science, Environmental Science /

Wind turbines provide an excellent source of clean energy, but disposing of them when they are decommissioned presents a major challenge. Researchers in China have discovered a practical method to recycle discarded turbine blades, using them to create durable roads. This technique could be particularly useful as the number of wind turbines grows and more

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Design Sem Nome 2

Scented Products Cause indoor Air Pollution on Par With Car Exhaust

Earth Science, Environmental Science /

Using scented products indoors alters the air chemistry, generating as much pollution as car exhaust does outside, according to a new study. Researchers warn that breathing in these tiny particles could have serious health consequences. Indoor Air Pollution from Common Household Items When you hear or think about “air pollution,” you likely associate it with

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