Science

Design Sem Nome 2023 12 11T215247.822

Extragalactic Star Detected at Milky Way’s Center

Examining the stars in the night sky, it’s unlikely you’d distinguish one as foreign. However, astronomers have identified a star near the supermassive black hole at the Milky Way’s center, suggesting it originated in a smaller galaxy consumed by ours. Among the Milky Way’s 100 billion stars, some appear to have migrated from other galaxies. […]

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Design Sem Nome 2023 12 11T203401.668

The Era of Polyethylene Waste: A Potential Solution on the Horizon

An international team of experts, led by Professor Shizhang Qiao from the University of Adelaide’s School of Chemical Engineering, has successfully converted polyethylene waste (PE) into valuable chemicals using light-driven photocatalysis. This innovative approach provides an eco-friendly solution to address plastic pollution and harnesses renewable solar energy instead of relying on traditional fossil fuel-based industrial

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Design Sem Nome 59

Nanorobots Capable of Folding DNA can Replicate Indefinitely

Researchers have showcased a programmable nanoscale robot constructed from a few DNA strands, which can capture other DNA fragments and assemble them to produce new UV-welded nanomachines, including duplicates of itself. In fact, the nanorobots, as reported by New Scientist, are constructed using only four DNA strands and have dimensions of approximately 100 nanometers, allowing

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Design Sem Nome 57

Sleep Boosts Memory but Can also Implant False Memories

A group of psychologists from the University of York in the U.K. has discovered through experiments that sleeping after studying can solidify memories. However, as outlined in their publication in the journal Royal Society Open Science, sleep can also occasionally result in the formation of false memories. Recent research has highlighted the fallibility of human

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Electric Eel Shocks Transfer Genes to Nearby Animals

A recent investigation indicates that the electrical discharge from an electric eel is potent enough to facilitate the transfer of genetic material from the surroundings into the cells of neighboring animals. In laboratory conditions, electroporation refers to applying an electric field to cells to enhance the permeability of their cell membrane. This enables the introduction

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Design Sem Nome 53

Greeting Strangers can Boost Happiness

A group of psychologists from Sabanci University in Turkey, collaborating with a researcher from the University of Sussex in the U.K., discovered that individuals experiencing increased life satisfaction resulted from simply greeting strangers they came across. Their study, published in the journal Social Psychological and Personality Science, involved surveying two extensive groups of people about

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Home Saliva Tests: A Potential Alternative to Daily Finger Pricks for Diabetics

For people with diabetes, having to do painful daily finger-prick blood tests is a common and uncomfortable experience. However, scientists created a sample device for home use that checks blood sugar levels using saliva instead. We already knew that the amounts of glucose (and some other biomarker substances) in saliva are linked to those in

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Design Sem Nome 2023 12 05T212600.101

Japan Unveils the World’s Largest Operational Nuclear Fusion Reactor

Japan marked a significant milestone on December 1 with the inauguration of JT-60SA, currently the world’s largest operational superconducting tokamak. Shaped like a donut, a tokamak is a nuclear fusion reactor, and this new facility, developed in collaboration with the European Union (EU), serves as a precursor to the under-construction International Thermonuclear Experimental Reactor (ITER)

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