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Conservancy removes more than 20 tons of Burmese pythons from Southwest Florida

Conservancy removes more than 20 tons of Burmese pythons from Southwest Florida

CBS News3 days ago

Group removes more than 6 thousand pounds of pythons from western Everglades
Group removes more than 6 thousand pounds of pythons from western Everglades
Group removes more than 6 thousand pounds of pythons from western Everglades
The Conservancy of Southwest Florida is going after big invasive snakes in a big way.
On Monday, they announced a record-breaking Burmese python season.
The group said it removed 6,300 pounds of the invasive snake, marking a milestone for the conservancy's python program, with more than 20 tons of Burmese pythons removed from a 200-square-mile area in Southwest Florida since 2013.
Conservancy targets female pythons
Biologists target adult female pythons to stop python reproduction. Since 2013, the team has stopped 20,000 python eggs from hatching.
The Conservancy's python program previously captured the largest female python ever documented, which measured 18 feet and weighed 215 pounds, as well as the largest male python on record at 16 feet and 140 pounds.
Pythons can eat meals that are more than 100% of their body mass, with a diet of more than 85 species, including deer, rabbits, foxes, bobcats, birds, and other reptiles and native wildlife.
Using radio telemetry and tagged male pythons known as scout snakes that help locate reproducing pythons during the breeding season, the team currently tracks 40 pythons. Staff monitor scout snakes across land from Naples through the western Everglades.
As the program expands into new areas, long-term monitoring has been shown to be effective.

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Russian scientist from Harvard accused of smuggling frog embryos is released from federal custody
Russian scientist from Harvard accused of smuggling frog embryos is released from federal custody

CBS News

time25 minutes ago

  • CBS News

Russian scientist from Harvard accused of smuggling frog embryos is released from federal custody

A Harvard scientist who spent months in custody on a federal smuggling charge was released Thursday after a bail hearing in Boston. Russian citizen Kseniia Petrova was stopped in February at Boston's Logan Airport by Customs and Border Protection agents as she returned on a flight from Paris. The Justice Department said in a press release that a search of her bags turned up undeclared frog embryos and embryonic samples. Petrova initially denied carrying biological materials but later admitted to it, the Justice Department said. According to a court filing by Petrova's attorney, the materials were "non-hazardous, noninfectious, and non-toxic" and she was transporting them at the request of the leader of a research group at Harvard Medical School. "Having no prior experience transporting biological samples," her attorney wrote, she "was unfamiliar with U.S. customs requirements regarding these samples. She simply placed the samples in her luggage and did not declare them to CBP at the time of her entry." But prosecutors allege that texts on her phone from a colleague show that she had been informed she would need to declare the materials. Harvard University researcher Kseniia Petrova, 30, smiles after being released on bail from federal custody at the John Joseph Moakley United States Courthouse in Boston on June 12, 2025. Leah Willingham / AP Upon discovery, CBP canceled Petrova's visa and she was taken into custody. She was sent to an ICE detention facility in Vermont and then transferred to another ICE facility in Louisiana. In May Petrova was released from ICE custody, but remained in the custody of the U.S. Marshals Service, according to The Associated Press. Petrova was a researcher at Harvard's Kirschner Lab, which focuses on cell and development biology, including cancer research. Colleagues testified on her behalf, saying she is doing valuable research and "excellent science," AP reported. "It remains difficult to understand why someone like Kseniia had to spend four months in jail. She poses no danger and has deep ties to her community," Petrova's attorney, Gregory Romanovsky, wrote in a statement to CBS News. "Her work has the potential to improve lives around the globe — including here in the United States," he added. Petrova's immigration case is ongoing, but Romanovsky said that she hasn't yet decided whether she will stay in the U.S. if she is permitted to. CBS News has also reached out to Harvard for comment.. A probable cause hearing is set for June 18.

Humans aren't built to remember everything. 5 tips to remember the important stuff
Humans aren't built to remember everything. 5 tips to remember the important stuff

CNN

timean hour ago

  • CNN

Humans aren't built to remember everything. 5 tips to remember the important stuff

Editor's note: The podcast Chasing Life With Dr. Sanjay Gupta explores the medical science behind some of life's mysteries big and small. You can listen to episodes here. (CNN) — Most of us are familiar with the frustration of forgetting — whether it's struggling with a word on the tip of the tongue, misplacing important items such as keys or glasses, or even disremembering why you came into a room. How can we do anything but forget — especially in a time in which we are subjected to a firehose of information every waking minute, between our life in the physical world and what comes at us electronically via smartphones, TVs, computers and more? The average American is exposed to an estimated 34 gigabytes — or 11.8 hours' worth — of information every day, Dr. Charan Ranganath wrote in his most recent book, 'Why We Remember: Unlocking Memory's Power to Hold on to What Matters.' That figure came from a 2009 report by the Global Information Industry Center at the University of California, San Diego. 'Last time I looked it up, the estimate increased even more since,' Ranganath told CNN Chief Medical Correspondent Dr. Sanjay Gupta recently on his podcast Chasing Life. Ranganath directs the Dynamic Memory Lab at the University of California, Davis, where he is also a professor of psychology and neuroscience. Far from remembering all this information, he said the science of memory shows that humans are designed to forget. In fact, Ranganath's book references the work of cognitive psychologist George Miller, who concluded in a 1956 paper that we can only keep seven items (plus or minus two) in mind at a time. (Subsequent research, Ranganath wrote, shows the number to be closer to three or four items.) 'I think one of the misconceptions out there … is that we're supposed to be taking everything in that's around us,' he said. 'In fact, our brains really operate on this principle of economy: to get as little information in as possible and to make as much of that information.' You can learn more about the nature of memory by listening to the podcast's full episode here. 'It's all about this economy and being able to use attention as this big filter, to be able to focus on the things that are most important,' he said. 'Sometimes it's the things that you expect, and sometimes it's the stuff that violates your expectations — and that's where there's the most meaning,' he said. 'But it also means that we miss things sometimes, and we end up with frustration because our attention was directed at the wrong place at the wrong time.' Improving memory isn't about trying to stuff more information inside your head. 'The thing that I like to say is: Don't try to remember more, remember better,' Ranganath said. 'Sometimes remembering better means memorizing less.' One way to do so, Ranganath said, is with a process called chunking — or grouping many things into one. We remember the alphabet this way as well as our Social Security number and the names of the Great Lakes (the acronym HOMES for Huron, Ontario, Michigan, Erie and Superior). By grouping these items, you reduce the number of things you have to remember: Instead of 26 separate items, the alphabet becomes one. Similarly, memory athletes — who compete to memorize as many digits of pi as possible or the order of a deck of cards — 'develop strategies that allow them to meaningfully slot the information that they're trying to remember into this larger structure so that 10 things can become one thing,' Ranganath said. What can you do if you struggle with forgetfulness? Here are Ranganath's five tricks to help form memories for events that matter. All you have to is remember to 'call a MEDIC!' he said via email. Attach what you want to remember to something of importance. 'You can remember information like names if you can tie them into information that has meaning to you,' he said. For instance, if you are a fan of Greek mythology, you can link Ranganath's first name, Charan, to Charon, the ferryman of the underworld who, for a price, transports the souls of the dead across the River Styx. 'And (you can) imagine me ferrying people across the river of the dead,' he said. Such vivid imagery can help you remember a name. Test yourself. Even if you make a mistake, Ranganath said trial and error is one of the best ways to remember something. 'If you're learning a new name or foreign language word, take a guess about what the name could be or guess about the meaning of the word,' he said. When you learn the answer, he said, the brain can 'tweak that memory to make sure it is more closely associated with the right answer and less likely to be associated with competing answers.' Make it pop. 'Just as it's easier to find a hot pink Post-it note on a desk full of yellow notes, it's easier to find memories that have features (that) stand out from other memories,' Ranganath said. For example, 'When you put down your keys, take a moment to attend to a detail like a sound or a unique visual cue,' he said. It will go a long way toward helping you remember where you put them, he said, as you're frantically scrambling to get out the door. Take advantage of the fact that the brain has adapted to flag moments that are significant. 'We retain memories for events that are important — in a biological sense,' Ranganath said. 'When we have experiences that are rewarding, scary or embarrassing, chemicals like dopamine, noradrenaline or serotonin are released, promoting plasticity.' These neurotransmitters help cement the experience in your memory a bit more. Curiosity can also play a role. 'We have found that being curious has a similar effect on memory,' he said, noting that curiosity activates 'dopamine-carrying areas of the brain' and promotes learning. 'So, before you learn, get curious about the subject!' he said. Use your senses to do a little time traveling. 'Our memories for events, or episodic memories, are tied to where and when the event took place,' Ranganath said. 'That's why hearing a song that played during your summer abroad in college or smelling food that your grandmother used to make can immediately transport you back in time.' 'If you are trying to recall a past event, imagine yourself in that place and time — how you felt, what you were thinking about, the sights and sounds of the place — and you'll find yourself pulling up a lot,' he said. We hope these five tips help you remember more and memorize less. Listen to the full episode here. And join us next Tuesday for a new episode of the Chasing Life. CNN Audio's Sofía Sanchez contributed to this report.

Seattle's Allen Institute launches ‘moonshot' to create new approach to cell biology research
Seattle's Allen Institute launches ‘moonshot' to create new approach to cell biology research

Geek Wire

time2 hours ago

  • Geek Wire

Seattle's Allen Institute launches ‘moonshot' to create new approach to cell biology research

A cross-section image of cells forming a hollow sphere, called a lumenoid. The colors mark different proteins expressed by the cells inside and outside of the sphere. (Allen Institute Image) Human cells, like the people they create, are dynamic and complex. And while researchers can create images and videos of how they move, organize and change their properties, it's hard to efficiently and accurately describe all that's happening. So a 75-person team at Seattle nonprofit Allen Institute is embarking on a 10-year project called CellScapes to devise a new language using mathematics to capture these essential processes. 'This is a new way of approaching very fundamental cell biology,' Ru Gunawardane, executive director and vice president of the Allen Institute for Cell Science, told GeekWire. 'We want to combine math and biophysical modeling, which are things that people are doing right now, but in a siloed way in very different systems.' Ru Gunawardane, executive director and vice president of the Allen Institute for Cell Science. (Allen Institute Photo) The Allen Institute was founded more than 20 years ago by the late Microsoft co-founder Paul Allen and his sister Jody Allen to dive into challenging problems in the biosciences. Previous efforts at multiple institutions have created numerical systems for understanding biological processes. That includes BayesSpace, a computational tool that produces data on gene expression in mixed cell types that developed researchers at the Fred Hutch Cancer Center. The Allen Institute has engineered modeling for organelles, which are the various machines packed inside cells that make proteins, produce energy and perform other key operations. 'The exciting thing is that we are trying … to bring different disciplines together,' Gunawardane said, 'because data is everywhere — but how do you make sense out of that data?' The CellScapes researchers are working with human stem cells, which are cells that don't yet have a set identity as, say, a skin or liver cell. The hope is through analysis and experimentation they'll devise mathematics that describe the cell's behavior, ultimately allowing them to predict and manipulate what the cells do. A primary goal would be to use these tools to unravel mysteries such as the intermediate steps to developing cancer, and ultimately discover new cell therapies. 'It's a lot like astronomy and going from 'which planet is that dot in the sky' to 'what are the laws of motion that describe all moving objects?'' said Wallace Marshall, professor of biochemistry and biophysics at the University of California, San Francisco, and a CellScapes advisor, in a statement. The Allen Institute seen from Dexter Yard. (GeekWire File Photo / Charlotte Schubert) The Allen Institute will make its data and innovations in the space publicly available, Gunawardane said, and expects to collaborate with researchers at outside institutions. The research team includes software engineers, computational biologists, program managers and others. There is no set budget for the decade-long effort, and the CellScapes team is simultaneously pursuing three projects that are part of the broader initiative. The effort already has a scientific paper accepted by the journal Nature that will be published in coming months. It's an exciting time, Gunawardane said. 'I also feel a huge responsibility,' she said, 'because Paul [Allen] is not alive anymore, but our work is his legacy, and he asked us to break the code of the cell. And in a way, the code is very complicated — it's more like a program, the cellular program. 'So I feel like we are now actually at the brink,' she said, 'of knowing maybe how to approach that.'

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