Archive for October, 2020

Chili-shaped device could reveal just how hot that pepper is

Some people love spicy food — the hotter, the better. Others go out of their way to avoid the palate-singeing burn of capsaicin, the compound that gives chili peppers their kick. Now, researchers have developed a portable device (whimsically shaped like a chili pepper) that can reveal how much capsaicin a pepper contains, before biting […]

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Americans' responses to COVID-19 stay-home orders differed according to population density

Americans strongly reduced their visits to grocery stores, pharmacies, and transit stations following stay-at-home orders from mayors and governors earlier this year, but did not reduce their visits to parks and beaches. Source: Americans' responses to COVID-19 stay-home orders differed according to population density

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Transcription factors may inadvertently lock in DNA mistakes

A team of researchers has found that transcription factors have a tendency to bind strongly to ‘mismatched’ sections of DNA, i.e. sections of the genome that were not copied correctly. The strong binding of transcription factors to these mismatched sections of regulatory DNA might be a way in which random mutations become a problem that […]

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Scientists take major step toward Angelman Syndrome gene therapy

Babies born with a faulty maternal copy of the UBE3A gene will develop Angelman syndrome, a severe neurodevelopmental disorder with no cure and limited treatments. Now, for the first time, scientists show that gene editing and gene therapy techniques can be used to restore UBE3A in human neuron cultures and treat deficits in an animal […]

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Diagnosing Parkinson's disease with skin samples could lead to earlier detection

New research shows a simple skin test can accurately identify Parkinson’s disease, which could lead to earlier detection of the disease and better outcomes for patients. Currently, Parkinson’s disease is diagnosed by clinical signs and symptoms but only definitively diagnosed at autopsy. The researchers conducted a blinded study of 50 skin samples using an assay […]

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Nanogenerator 'scavenges' power from their surroundings

Imagine a mobile phone charger that doesn’t need a wireless or mains power source. Or a pacemaker with inbuilt organic energy sources within the human body. Researchers are picking up the challenge of ‘scavenging’ invisible power from low-frequency vibrations in the surrounding environment, including wind, air or even contact-separation energy (static electricity). Source: Nanogenerator 'scavenges' […]

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