Veículo
Newsweek (EUA) online
Em 2025: 3 notícias
Desde 1995: 19 notícias
Scorpion Venom Could Help Treat Breast Cancer
Publicado em 18 de junho de 2025
A venomous creature from the Amazon rainforest may hold the key to fighting one of the deadliest cancers affecting women today.
According to the American Cancer Society, skin cancers aside, breast cancer is the most common cancer among women in the U.S.—accounting for about 30% of all new female cancer cases annually, with an estimated 42,170 women expected to die from it in 2025.
Brazilian scientists have discovered that the venom of the Brotheas [...]
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If You Like Chocolate, Coffee or Wine, Scientists Have Good News for You
Publicado em 21 fevereiro 2025There's good news for chocolate and wine lovers, as scientists have found some of our favorite treats may help reduce the risk of heart disease. A study of more than 6,000 people found a link between diets rich in foods including fruit, vegetables, chocolate, coffee and wine, and the reduced risk of metabolic syndrome. Metabolic syndrome is a cluster of conditions that occur together—including increased blood pressure, high blood sugar, excess body fat around the waist and [...]ver notícia -
Scientists Reveal Exercises That May Help Fight Off Alzheimer's
Publicado em 16 janeiro 2025Getting your steps in could help fight off Alzheimer's, new research has found. Regular aerobic exercise was linked to a reduction in markers in the brains of in rats that associated with the onset of Alzheimer's, including amyloid plaques, according to a new paper in the journal Brain Research. Doing cardio could therefore help fight off the development of Alzheimer's, the researchers say. "Alzheimer's is a progressive neurodegenerative disorder with no known [...]ver notícia -
Ants Mastered Agriculture Millions of Years Before Humans
Publicado em 03 outubro 2024While humans may think of agriculture as a uniquely human achievement, ants have been farming their own food for millions of years, a new study has revealed. Researchers found that ants began cultivating fungi 66 million years ago, around the time an asteroid struck Earth and caused a global mass extinction. This mass extinction event, which wiped out the dinosaurs, also created conditions that allowed fungi to thrive. With plentiful decaying plant matter on the [...]ver notícia -
Vegans Need Ultra-Processed Proteins for Healthy Diet, Study Says
Publicado em 20 setembro 2024Ultra-processed foods, such as meat replacements and protein powders, allow vegans to meet their protein requirements, according to recent research. Nutrition experts have often debated whether a vegan diet can provide enough protein because plant-based foods tend to be less protein-rich than meat, eggs and dairy. However, the 774 vegan Brazilians who participated in this study were found, on average, to consume a healthy amount of protein and all the essential amino acids, which are the [...]ver notícia -
Scientists Reveal Cheeses With Untapped Health Benefits
Publicado em 30 agosto 2024Cheese could be healthier in the future now that microbiologists in Brazil have discovered three novel strains of probiotic bacteria in samples of traditional cheeses. Probiotics are live microorganisms that, when eaten in food, may remain in the gut. People who have lots of—and lots of different types of—probiotic bacteria and yeasts in their gut are thought to have healthy microbiomes, i.e., microbial communities. A healthy gut microbiome is associated with good mental [...]ver notícia -
Scientists Surprised by Virus Discovery in Brazil's Amazon
Publicado em 12 julho 2024Researchers in Brazil have discovered that both Mayaro and chikungunya viruses are unexpectedly circulating in the Amazon rainforest at the same time. This discovery overturns the belief that antibodies from one virus would prevent an infection influx from the other in the same area. Samples analyzed between December 2018 and December 2021 showed outbreaks of both infections in Roraima, Brazil's northernmost state. Mayaro and chikungunya are arboviruses, viruses [...]ver notícia -
'Huge' Cocaine Levels Make Sea Life High in Popular Beach Bay
Publicado em 26 abril 2024A huge amount of cocaine contamination in Brazilian waters could be making marine life high, with a range of severe effects. The drug has been found in the water and sediments of the Bay of Santos, one hour from the city of São Paulo, researchers at the Federal University of São Paulo (UNIFESP) have found. Santos, with its beach, is a popular destination for São Paulo residents and the area is home to the largest seaport in Latin America. Researchers found through a [...]ver notícia -
Amazon Rainforest May Be Close to Total Collapse, Study Warns
Publicado em 14 fevereiro 2024The Amazon may be approaching the point of near total collapse, a new study has concluded. The research, published in the journal Nature , found that climate change, combined with water stress and deforestation, could be pushing the Amazon rainforest closer to a tipping point where it is at risk of near or total collapse. Led by the Federal University of Santa Catarina in Brazil, alongside experts from the University of Birmingham in the U.K., scientists identified thresholds [...]ver notícia -
New Jellyfish Species Discovered May Have an Arsenal of Unique Venoms
Publicado em 06 fevereiro 2024A new species of jellyfish has been discovered deep below the waves, and it may possess venoms that we have never seen before. The new species, named Santjordia pagesi , was discovered at a depth of 2,664 feet near Japan's Ogasawara Islands, floating around a deep-sea volcano known as the Sumisu Caldera. The new jellyfish, which has been sighted only twice, is an umbrella-shaped medusa species, measuring around 4 inches across and with a red cross in the center of its body, according [...]ver notícia