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Scorpion Stings Already Spiking In Brazilian Cities; Will Get Worse As Warming And Urban Expansion Continue Scorpions are “taking over” Brazilian cities, researchers have warned in a paper that said rapid urbanisation and climate breakdown were driving an increase in the number of people being stung. More than 1.1m stings were reported between 2014 and 2023, according to data from the Brazilian notifiable diseases information system. There was a 250% increase in reports of stings [...]

How Lifting Weights Can Slow Brain Aging and Protect Against Alzheimer's Disease https://scitechdaily.com/how-lifting-weights-can-slow-brain-aging-and-protect-against-alzheimers-disease/ Weight training offers numerous benefits, including increased strength and muscle mass, reduced body fat, and improved overall well-being and mental health. A recent study conducted at the State University of Campinas (UNICAMP) in São Paulo, Brazil, has highlighted another crucial advantage: it [...]

Humans speak more than 7,000 languages today. As different as they all seem, researchers argue in a new review that they all stem from a single linguistic family tree that emerged before our species split into distinct populations 135,000 years ago. By 100,000 years ago, this verbal revolution was cemented into the behavior of Homo sapiens , archeologically visible in our use of symbolism in body decorations and engravings. "Every population branching across the globe has human [...]

A group of Brazilian researchers has presented an innovative proposal to resolve a decades-old debate among theoretical physicists: How many fundamental constants are needed to describe the observable universe? Here, the term "fundamental constants" refers to the basic standards needed to measure everything. The study is published - (open source - Jim) in the journal Scientific Reports. The group argues that the number of fundamental constants depends on the type [...]

Canada's “record-shattering” wildfires last year produced nearly as much greenhouse gas emissions in one season as would be expected over a decade of fires in normal circumstances, data has shown. The fires, in Canada's “wildest season ever”, were made at least three times more likely by the climate crisis, and produced about 2bn tonnes of CO2, about a quarter of the total global emissions from wildfires last year, according to data in the State of Wildfires [...]

In 2018, Brazilian and British scientists were exploring the seafloor around a volcanic plateau known as the Rio Grande Rise when they spotted rocks that looked like they belonged on dry land. Watching video relayed from their remotely operated submersible 650 meters (2,100 feet) below the surface, unusual red clay layers caught their attention. "You just don't find red clay on the seabed," said Bramley Murton, a marine geologist from the National Oceanographic Centre in [...]

The first half of Jair Bolsonaro's presidency was so destructive for the Amazon that it was comparable to the record 2016 El Niño drought and heatwave in terms of carbon emissions, according to scientists. Annual emissions from the world's largest rainforest roughly doubled in 2019 and 2020, compared with the 2010 to 2018 average, according to a new study published in Nature, as swaths of forest were deliberately cleared and burned for cattle ranching and farming during the [...]

Amazon dark earth boosts tree growth as much as sixfold A type of soil called terra preta da Amazônia, or Amazon dark earth (ADE), promotes faster growth of trees and enhances their development in qualitative terms, according to an article published in the journal Frontiers in Soil Science. The findings reported in the article resulted from studies supported by FAPESP (projects 20/08927-0, 18/19000-4 and 14/50320-4) under the aegis of its Biodiversity, Characterization, [...]

A type of soil called terra preta da Amazônia, or Amazon dark earth (ADE), promotes faster growth of trees and enhances their development in qualitative terms, according to an article published in the journal Frontiers in Soil Science. The findings reported in the article resulted from studies supported by FAPESP (projects 20/08927-0, 18/19000-4 and 14/50320-4 ) under the aegis of its Biodiversity, Characterization, Conservation, Restoration and Sustainable Use Program ( BIOTA [...]