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From countertop slow cookers to instant-read thermometers, cooks love their gadgets. The interest is growing in magnetic induction cooktops – surfaces that cook much faster than conventional stoves, without lighting a fire or heating an electric coil. Induction has long been popular in Europe and Asia. It is more energy-efficient than standard stoves. But studies have raised concerns about indoor air emissions from gas stoves. Academic researchers and organizations such as the California Air Resources Board report that gas stoves can release hazardous air pollutants while they are operating and even when they are turned off. As an environmental health researcher who works on housing and indoor air, I have participated in studies that measure air pollution in homes and develop ...

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Respiratory Infections Cause Extreme Stress To Cells, Organs: Study

Arpita SarkarSeptember 7, 20220

Respiratory infections like influenza or COVID-19, cause stress on cells and organs. They result in acute respiratory distress syndrome (ARDS). It can eventually lead to death in the elderly or fragile people. Professor Johan Auwerx at EPFL’s School of Life Sciences said, "Novel therapeutic strategies to address ARDS, instead of fighting the infectious agent, could try to elicit the tolerance of the host organism towards the inflammatory challenge by boosting its natural adaptive stress responses." In a new study, EPFL's Adrien Mottis and his colleagues show that such a strategy can exploit a biological phenomenon known as "mitohormesis". Mitohormesis describes the fact that mild stress on a cell's mitochondria can trigger a number of reactions that actually increase cell health and

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Where Did Earth’s Early Life Forms Get Oxygen? Scientists Finally Have Some Answers; Checkout!

Arpita SarkarAugust 23, 20220

By studying the genomes of common lifeforms, scientists know that the first organisms on Earth had genes that could break down oxygen and hydrogen peroxide (H2O2). But how hydrogen peroxide - which can be a useful source of oxygen when broken down - got into the water, where the first life evolved, was a mystery. It is known that only trace amounts of H202 were present on the first Earth - Earth in its first billion years. Published in the journal Nature Communications, a new peer-reviewed study by scientists at Newcastle University in the United Kingdom shows that tectonic plate movement — and the associated stresses on the Earth's crust — was a source of oxygen that helped drive the biochemistry where life exists. First evolved on Earth. In the study, the scientists showed h...

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Alzheimer’s Disease Leads To Loss Of Visual Memory: Study

Arpita SarkarAugust 20, 20220

According to a new MIT study, Alzheimer's disease affects at least one type of visual memory by deteriorating a recently discovered circuit that connects the image processing areas of each brain hemisphere. The findings, published in the journal Neuron by a research team at The Picower Institute for Learning and Memory, come from experiments in mice, but provide a physiological and mechanistic basis for earlier observations in human patients: reductions in the level of brain rhythms between counterpart regions in each hemisphere correlate with the clinical severity of dementia. Author Chinnakkaruppan Adaikkan, assistant professor in the Centre for Brain Research at the IISc said, "We demonstrate that there is a functional circuit that can explain this phenomenon. In a way we uncovere...