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Studies & experiments

Magnet-based drug delivery system shows promise for cancer treatment

A team of researchers at the University of Georgia has developed a non-invasive method of delivering drugs directly to cancerous tissue using magnetic forces, a form of treatment that could significantly reduce the toxic side effects of chemotherapy. “We showed that we can deliver anti-cancer drugs exactly in the area …

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Boosting Sirt4 gene activity extends healthy lifespan in fruit flies

A new study on the mechanics of aging and longevity finds that fruit flies inhibited from producing the protein Sirt4 — which is also found in humans — are short-lived, while flies modified to make extra Sirt4 are long-lived. In addition, flies lacking Sirt4 display increased sensitivity to starvation, decreased fertility …

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Recycling and Reusing Worn Cathodes to Make New Lithium Ion Batteries

Nanoengineers at the University of California San Diego have developed an energy-efficient recycling process that restores used cathodes from spent lithium ion batteries and makes them work just as good as new. The process involves harvesting the degraded cathode particles from a used battery and then boiling and heat treating …

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Cells protect genes more than rest of genome

Whilst DNA sequence mutation is the fundamental fuel of species evolution, mutations in genes are often harmful. As a form of defence, organisms have evolved repair mechanisms to correct the DNA sequence following mutation. One of these mechanisms, is termed DNA mismatch repair (MMR). It corrects mutations that arise during …

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A new study shows that white noise improves learning performance

Everyone needs to study something. Even if you are out of university and school, you have to learn something every day to grow as a personality and be overall a more interesting person. But what environment is easier for you to study in? Scientists from The University of Queensland say …

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Star Mergers: A New Test of Gravity, Dark Energy Theories

When scientists recorded a rippling in space-time, followed within two seconds by an associated burst of light observed by dozens of telescopes around the globe, they had witnessed, for the first time, the explosive collision and merger of two neutron stars. Artist’s illustration of two merging neutron stars. The rippling …

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How the brain keeps time

Timing is critical for playing a musical instrument, swinging a baseball bat, and many other activities. Neuroscientists have come up with several models of how the brain achieves its exquisite control over timing, the most prominent being that there is a centralized clock, or pacemaker, somewhere in the brain that …

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Mapping Earth’s Microbiome | Technology Org

More than 27,500 samples collected across seven continents and 43 countries. More than 307,500 unique DNA sequences. One reference map of the bacteria and related microbes that call Planet Earth home. This is the result of the Earth Microbiome Project, an effort by an extensive global team co-led by researchers at …

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Ocean sound waves may reveal location of incoming objects

The ocean can seem like an acoustically disorienting place, with muffled sounds from near and far blending together in a murky sea of noise. Now an MIT mathematician has found a way to cut through this aquatic cacaphony, to identify underwater sound waves generated by objects impacting the ocean’s surface, …

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Liquid Biopsy May Be New Way to Detect Liver Cancer Earlier, Easier

An international team of researchers at University of California San Diego School of Medicine and Moores Cancer Center, with colleagues at Sun Yet-sun University Cancer Center and other collaborating institutions, have developed a new diagnostic and prognosis method for early detection of hepatocellular carcinoma (HCC), based on a simple blood …

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