The lack of human activity during lockdown caused human-linked vibrations in the Earth to drop by an average of 50 percent between March and May 2020. …read more Source:: Science
Tag: percent
Up to 45 percent of SARS-CoV-2 infections may be asymptomatic
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•Asymptomatic infections may have played a significant role in the early and ongoing spread of COVID-19 and highlight the need for expansive testing and contact tracing to mitigate the pandemic. …read more Source:: Science
How resident microbes restructure body chemistry
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•A comparison of normal and germ-free mice revealed that as much as 70 percent of a mouse’s gut chemistry is determined by its gut microbiome. Even in distant organs, such …read more Source:: Science
Keto diet works best in small doses, mouse study finds
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•A ketogenic diet — which provides 99 percent of calories from fat and only 1 percent from carbohydrates — produces health benefits in the short term, but negative effects after …read more Source:: Science
Pathways that extend lifespan by 500 percent identified
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•Scientists have identified synergistic cellular pathways for longevity that amplify lifespan fivefold in C. elegans, a nematode worm used as a model in aging research. The increase in lifespan would …read more Source:: Science
Cancer mortality continues steady decline, driven by progress against lung cancer
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•The cancer death rate declined by 29 percent from 1991 to 2017, including a 2.2 percent drop from 2016 to 2017, the largest single-year drop in cancer mortality ever reported, …read more Source:: Science
Too much ultra-processed food linked to lower heart health
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•Americans get more than 50 percent of their daily calories from ultra-processed foods. Measures of heart health decrease as ultra-processed food consumption rises. …read more Source:: Science
How measles wipes out the body’s immune memory
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•A new study shows that measles wipes out 20 to 50 percent of antibodies against an array of viruses and bacteria, depleting a child’s previous immunity. A measles-ravaged immune system …read more Source:: Science
Fruit flies live longer with combination drug treatment
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•A triple drug combination has been used to extend the lifespan of fruit flies by 48 percent in a new study. …read more Source:: Science
Wood products mitigate less than one percent of global carbon emissions
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•The world’s wood products — all the paper, lumber, furniture and more — offset just one percent of annual global carbon emissions by locking away carbon in woody forms, according …read more Source:: Science