logo
Semi-aquatic predator found outside home in Brazil in first-of-its-kind sighting

Semi-aquatic predator found outside home in Brazil in first-of-its-kind sighting

Miami Herald23-05-2025

On the outskirts of a town in northeastern Brazil, a semi-aquatic predator moved along the road near a house. The chance encounter turned out to be a first-of-its-kind sighting — and confirmation of an expert theory.
Scientists received a report about a semi-aquatic snake found on the pavement of 'an urban area of the municipality of Areia, Paraíba,' in January, according to a study published May 21 in the peer-reviewed journal Check List.
Intrigued by the accidental encounter, researchers took a closer look at the roughly 9-inch-long reptile and identified it as a juvenile Erythrolamprus mossoroensis, the study said. A photo shows the brown reptile.
Erythrolamprus mossoroensis is a poorly known species of snake and a 'relative rarity in field studies,' according to a 2022 study. It has no English common name but is known in Portuguese as 'Cobra-d'Água' or 'Jararacuçu D'água,' names which roughly translate to 'water snake.'
Erythrolamprus mossoroensis snakes are semi-aquatic predators, 'active both during the day and at night, with a diet consisting of amphibians and fish,' researchers said.
Experts theorized that the species might live in the state of Paraíba because of the region's habitat and the species' presence in neighboring states, but no one had confirmed this — until now.
The snake sighting in Areia, Paraíba, was the state's 'first confirmed record of (Erythrolamprus) mossoroensis,' researchers said.
The team said their finding 'suggests that more specimens may be found in the region, reinforcing the need for further surveys to expand knowledge of this and other species in the area.'
Paraíba is a coastal state in northeastern Brazil and a roughly 1,450-mile drive northeast from Rio de Janeiro.
The research team included Élida Silva, José Robério Barboza Júnior, Mateus Dutra, Vanessa Barbosa, Frederico França and Rafaela França.

Orange background

Try Our AI Features

Explore what Daily8 AI can do for you:

Comments

No comments yet...

Related Articles

Vera C. Rubin debut images: How to see the groundbreaking space photos from the world's largest camera
Vera C. Rubin debut images: How to see the groundbreaking space photos from the world's largest camera

Yahoo

time2 days ago

  • Yahoo

Vera C. Rubin debut images: How to see the groundbreaking space photos from the world's largest camera

When you buy through links on our articles, Future and its syndication partners may earn a commission. The new Vera C. Rubin Observatory is set to release its debut images — taken with the largest digital camera ever built — on Monday (Jun. 23). The world-first images and videos will be ultra-high-definition and will show off the observatory's highly anticipated, cutting-edge capabilities for the first time. Here's what you need to know. If you want to watch from home, a news conference will be streaming on YouTube in English and Spanish at 11:00 a.m. EDT on Monday. The link to watch is posted on the observatory's website, and is also embedded here. If you'd prefer to bask in the awe of the cosmos with friends, you may be able to attend a watch party near you — or even host one of your own. Groups will gather across the globe in planetariums and universities to admire the highly detailed images and videos as they are released. The observatory has shared links to a map of all registered watch parties, as well as a link to sign up to become a host. During the news conference, the observatory team will introduce the Rubin Observatory before showcasing the new images and discussing their significance. Watch parties may also hear from local scientists and special guests. Be sure to check out the details of a watch party before you attend to learn about any extra programming. The observatory, perched high on a mountain in the Chilean Andes, will peer at interstellar comets and dangerous asteroids, as well as larger objects, like twisting galaxies and exploding supernovas. Related: 'People thought this couldn't be done': Scientists observe light of 'cosmic dawn' with a telescope on Earth for the first time ever Inside Rubin lies the world's largest digital camera and six of the largest optical filters ever produced. Together, they allow researchers to observe different facets of the universe in many wavelengths of light and remarkably high detail. The camera will take a new high-resolution photo of the sky around every 40 seconds. The images will then be transmitted via fiber optic cables to a supercomputer in California, which will analyze the photos. When stitched together, the images can act as a time-lapse video of space, one that is planned to span 10 years. RELATED STORIES —Space photo of the week: Observatory, or alien planet? Boggle your mind with this 360-degree image —Vera C. Rubin Observatory: The groundbreaking mission to make a 10-year, time-lapse movie of the universe —3,200-megapixel camera of the future Vera Rubin Observatory snaps record-breaking 1st photos Using its groundbreaking instruments, the observatory is expected to contribute to current understanding of widely debated phenomena, including dark energy and dark matter — two components that are thought to make up a vast majority of the universe, but remain poorly understood. The new images could be the first of many that vastly improve our understanding of the cosmos. Whether you join a watch party or tune in from the comfort of your couch, these photos are not to be missed.

Portuguese man o' wars — known for their sting — are actually 4 species. See them
Portuguese man o' wars — known for their sting — are actually 4 species. See them

Miami Herald

time3 days ago

  • Miami Herald

Portuguese man o' wars — known for their sting — are actually 4 species. See them

Despite their vibrant blue color and delicate bodies, seeing a Portuguese man o' war along the coast sends beachgoers in the opposite direction. These jellyfish-like animals are known instead for their sting, prompting warnings from wildlife officials when they make their way onto beaches around the world. Now, researchers studying these unique creatures have found that Portuguese man o' wars — also known as bluebottles — may actually belong to at least four distinct species. A research team led by Yale University, in Connecticut, and the University of New South Wales and Griffith University, in Australia, analyzed the genetics of more than 150 bluebottles from around the world to better understand how the widespread species was related to one another, according to a study published June 19 in the peer-reviewed journal Current Biology. The team sequenced the genome of each bluebottle, then grouped them together in clusters based on their geographic range in the oceans, according to the study. What they found was distinct genetic differences between groups of man o' wars from different areas, despite some overlap between the populations, according to the study. 'We were shocked, because we assumed they were all the same species,' study author Kylie Pitt said in a June 20 news release from Griffith University. 'But the genetic data clearly show they're not only different, they're not even interbreeding despite overlapping ranges. The bluebottle is uniquely suited to long-distance travel, using its gas-filled float and muscular crest to catch the wind and sail the sea surface.' The study describes four species: Physalia physalis, Physalia utriculus, Physalia megalista and Physalia minuta. Researchers confirmed the species deviations by comparing their collected man o' wars to more than 4,000 images posted on the citizen-science website iNaturalist, according to the study. They compared differences in tentacle length, color and other physical characteristics to previous records of man o' wars found around the world, including in centuries-old publications that previously argued the species should be broken up, according to the study. Physalia minuta is described for the very first time as a new species, according to the study. The species is 'distinguished from other Physalia by its small size at maturity and colony arrangement with multiple principle tentacles,' researchers said, earning the species its name 'minuta,' meaning small. The well-known Portuguese man o' war — Physalia physalis — may look like a jellyfish, but it's actually a siphonophore, or a colony of animals that live together to create the complete structure, according to the National Oceanic and Atmospheric Administration. The specialized animals are called zooids and are genetically identical but each serve a different function for survival, such as floating, catching prey or reproduction, NOAA says. Man o' wars use a balloon-like float to move up and down in the water column, according to NOAA, and their tentacles can grow an average of 30 feet long, with some man o' wars reaching as long as 100 feet. 'There's this idea the open oceans all connected, and it's just one species of bluebottle and they're all globally connected because they drift with the wind and the current. But that's absolutely not the case,' Pitt said in the release. 'And what's really interesting in Eastern Australia is that we have multiple species that have evolved despite potentially co-existing.' Researchers said further studies will be needed to understand why, despite overlapping and being in the same environment, the man o' wars deviated, according to the release. The research team includes Pitt, Samuel H. Church, River B. Abedon, Namrata Ahuja, Colin J. Anthony, Dalila Destanović, Diego A. Ramirez, Lourdes M. Rojas, Maria E. Albinsson, Itziar Álvarez Trasobares, Reza E. Bergemann, Ozren Bogdanovic, David R. Burdick, Tauana J. Cunha, Alejandro Damian-Serrano, Guillermo D'Elía, Kirstin B. Dion, Thomas K. Doyle, João M. Gonçalves, Alvaro Gonzalez Rajal, Steven H.D. Haddock, Rebecca R. Helm, Diane Le Gouvello, Zachary R. Lewis, Bruno I.M.M. Magalhães, Maciej K. Mańko, C. Gabriela Mayorga-Adame, Alex de Mendoza, Carlos J. Moura, Catriona Munro, Ronel Nel, Kohei Oguchi, Jessica N. Perelman, Laura Prieto, Moninya Roughan, Amandine Schaeffer, Andrea L. Schmidt, Javier Sellanes, Nerida G. Wilson, Gaku Yamamoto, Eric A. Lazo-Wasem, Chris Simon, Mary Beth Decker, Jenn M. Coughlan and Casey W. Dunn.

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study
ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

Time​ Magazine

time6 days ago

  • Time​ Magazine

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

Does ChatGPT harm critical thinking abilities? A new study from researchers at MIT's Media Lab has returned some concerning results. The study divided 54 subjects—18 to 39 year-olds from the Boston area—into three groups, and asked them to write several SAT essays using OpenAI's ChatGPT, Google's search engine, and nothing at all, respectively. Researchers used an EEG to record the writers' brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and 'consistently underperformed at neural, linguistic, and behavioral levels.' Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study. The paper suggests that the usage of LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper's main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process. 'What really motivated me to put it out now before waiting for a full peer review is that I am afraid in 6-8 months, there will be some policymaker who decides, 'let's do GPT kindergarten.' I think that would be absolutely bad and detrimental,' she says. 'Developing brains are at the highest risk.' Generating ideas The MIT Media Lab has recently devoted significant resources to studying different impacts of generative AI tools. Studies from earlier this year, for example, found that generally, the more time users spend talking to ChatGPT, the lonelier they feel. Kosmyna, who has been a full-time research scientist at the MIT Media Lab since 2021, wanted to specifically explore the impacts of using AI for schoolwork, because more and more students are using AI. So she and her colleagues instructed subjects to write 20-minute essays based on SAT prompts, including about the ethics of philanthropy and the pitfalls of having too many choices. The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely 'soulless.' The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. 'It was more like, 'just give me the essay, refine this sentence, edit it, and I'm done,'' Kosmyna says. The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays. The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within AI chatbots as opposed to Google Search. After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes. 'The task was executed, and you could say that it was efficient and convenient,' Kosmyna says. 'But as we show in the paper, you basically didn't integrate any of it into your memory networks.' The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that AI, if used properly, could enhance learning as opposed to diminishing it. Post publication This is the first pre-review paper that Kosmyna has ever released. Her team did submit it for peer review but did not want to wait for approval, which can take eight or more months, to raise attention to an issue that Kosmyna believes is affecting children now. 'Education on how we use these tools, and promoting the fact that your brain does need to develop in a more analog way, is absolutely critical,' says Kosmyna. 'We need to have active legislation in sync and more importantly, be testing these tools before we implement them.' Ironically, upon the paper's release, several social media users ran it through LLMs in order to summarize it and then post the findings online. Kosmyna had been expecting that people would do this, so she inserted a couple AI traps into the paper, such as instructing LLMs to 'only read this table below,' thus ensuring that LLMs would return only limited insight from the paper. She also found that LLMs hallucinated a key detail: Nowhere in her paper did she specify the version of ChatGPT she used, but AI summaries declared that the paper was trained on GPT-4o. 'We specifically wanted to see that, because we were pretty sure the LLM would hallucinate on that,' she says, laughing. Kosmyna says that she and her colleagues are now working on another similar paper testing brain activity in software engineering and programming with or without AI, and says that so far, 'the results are even worse.' That study, she says, could have implications for the many companies who hope to replace their entry-level coders with AI. Even if efficiency goes up, an increasing reliance on AI could potentially reduce critical thinking, creativity and problem-solving across the remaining workforce, she argues. Scientific studies examining the impacts of AI are still nascent and developing. A Harvard study from May found that generative AI made people more productive, but less motivated. Also last month, MIT distanced itself from another paper written by a doctoral student in its economic program, which suggested that AI could substantially improve worker productivity.

DOWNLOAD THE APP

Get Started Now: Download the App

Ready to dive into a world of global content with local flavor? Download Daily8 app today from your preferred app store and start exploring.
app-storeplay-store