Veículo

• Home
• Veículos
• The Elkhart Truth (EUA) online

A 113-million-year-old fossilized ant is the oldest ever discovered. The “remarkably well-preserved” hell ant was found in limestone in Brazil. Scientists say it is a member of Haidomyrmecinae – an extinct group that only lived during the Cretaceous period. They had highly specialized, “scythe-like” jaws that they probably used to pin or impale prey, according to a study published in the journal Current Biology. Study author Anderson Lepeco said: [...]

Weight training helps protect older people from dementia , according to new research. Volunteers with mild cognitive impairment who practiced strength training showed improvements in memory and brain anatomy after six months, say scientists. Weight training has been previously shown to improve strength and muscle mass, reduce body fat, and contribute to well-being and mental health. Now, a new study conducted at the State University of Campinas (UNICAMP) in Brazil suggests it protects [...]

The world’s second-smallest vertebrate has been discovered - a tiny toad living in a Brazilian rainforest. Researchers say the flea toad measures just 6.95 millimeters in length and can fit on the tip of a finger. The name of the new species, B. dacnis, pays tribute to Project Dacnis, a conservation, research and education NGO that maintains private areas of the Atlantic Rainforest, including the one where the animal was found, in Ubatuba, on the coast of São Paulo [...]

TUESDAY, April 18, 2023 (HealthDay News) -- Most cases of type 2 diabetes can be linked to making poor food choices, a new study finds. Researchers from Tufts University in Boston linked poor diet to 14 million cases of type 2 diabetes — about 70% of new diagnoses globally — in 2018. The biggest impact came from insufficient intake of whole grains, too much refined rice and wheat, and overconsumption of processed meat. “Our study suggests poor carbohydrate quality is [...]

Even mild cases of COVID-19 can affect the function and structure of the brain, early research suggests. Dr Clarissa Yasuda "Our results suggest a severe pattern of changes in how the brain communicates as well as its structure, mainly in people with anxiety and depression with long COVID syndrome, which affects so many people," study investigator Clarissa Yasuda, MD, PhD, from University of Campinas, São Paulo, Brazil, said in a news release. "The magnitude of [...]