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Exploring the Impact of Climate Change on Wildfires in Georgia and Florida: Hotter, Drier Conditions and Hurricane Aftermath

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Wildfires are currently raging across southern Georgia and northern Florida, exacerbated by intense heat, strong winds, severe drought, and dry vegetation left from previous hurricanes. These elements have created a perfect storm for wildfires in the region.

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This situation is exactly what climate scientists have been warning about for decades as our planet continues to warm.

“This is certainly abnormal, but aligns with our concerns regarding climate change,” explained Caitlin Trudeau, a climate scientist at Climate Central, a nonprofit scientific research organization. “These events highlight the dramatic changes occurring in our climate.”

The wildfires are consuming thousands of acres across both states. Notably, a wildfire in Atkinson, Georgia, has already destroyed approximately 90 homes since its ignition on Monday.

In response to these fires, multiple counties, including those in Georgia, have implemented burn bans, leading to Gov. Brian Kemp declaring a state of emergency on Wednesday across 91 counties.

The wildfires are primarily attributed to widespread drought conditions in the Southeast, exacerbated by remnants of previous hurricanes—circumstances tied to climate change.

Specifically, Hurricane Helen, which made landfall in Florida’s Big Bend area as a Category 4 storm in 2024, left behind scorched trees, branches, and other dry vegetation.

“It’s as if the hurricane stripped a significant number of trees and laid everything bare in that area,” Trudeau noted. “The remains were exposed to the sun, and wood with high oil content becomes extremely flammable when dry.”

This dry vegetation significantly amplifies wildfire risks, fostering their growth and increasing their destructiveness.

Researchers warn that catastrophic wildfires will become increasingly prevalent in a warming world. Studies indicate wildfires will not only occur more frequently but will also be more devastating due to climate change—a situation with serious environmental, economic, and health repercussions for communities nationwide and globally.

Trudeau emphasized that even in humid areas like the Southeast—traditionally not considered as wildfire-prone—the risks are evolving under climate change.

“This is the reality we’ve been anticipating with climate change,” she said. “Certain parts of the Southeast are extremely dry now. Although these regions have high humidity, climate change has intensified atmospheric thirst. As temperatures rise, the amount of water drawn from the landscape and extracted from plants and soils increases as well.”

For a wildfire to ignite, two key elements must be present: fire-prone weather, which includes dry conditions, lightning, and wind, and “fuel,” such as dead wood, dry leaves, and other flammable vegetation.

As temperatures rise due to climate change, the atmosphere can efficiently extract moisture from trees and soils. In the event of prolonged droughts, insufficient rainfall exacerbates the potential for destructive wildfires.

Currently, all of Florida is experiencing some level of drought, with much of the Panhandle region categorized as facing “extreme” or “exceptional” drought, according to the US Drought Monitor. Likewise, 71% of Georgia is experiencing “extreme” or “exceptional” drought, particularly in southern regions.

For Trudeau, the wildfires witnessed this week serve as a stark indication of climate change’s catastrophic effects on natural ecosystems, including increased fire activity in areas historically deemed humid.

“This is why we are facing such an extraordinary situation right now,” Trudeau concluded. “It’s truly a perfect storm.”

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Source: www.nbcnews.com

Archaeologists Discover Indigo Dye Residues on 34,000-Year-Old Grinding Tool in Georgia

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Researchers from CA ‘Foscari University have discovered Indigotin, a blue secondary compound also known as indigo, on a non-nanoparticle ground stone tool unearthed from the Zuziana Cave at the foot of the Caucasus in Georgia. Indigotin forms through reactions with atmospheric oxygen and natural glycoside precursors from leaves of the Isatis Tinctoria. This indicates that the plant was deliberately processed as far back as 34,000 years ago, despite its non-educational applications.

Five pebbles from Zugiana Cave, Georgia. Image credit: Longo et al., doi: 10.1371/journal.pone.0321262.

Modern humans first appeared in archaeological records approximately 300,000 years ago in Africa.

Much of the evidence regarding their cognitive and technical skills is derived from the limited existence of stone artifacts and the remains of animals, as these endure far longer in the archaeological record compared to plant materials.

As a result, Paleolithic narratives predominantly emphasize animal hunting and the production of stone tools.

The so-called “majority,” particularly plants that lack significant mentions, especially those increasingly shown to be utilized for food, cordage, weaving, and medicine, create incomplete accounts.

This underscores the need to identify and illustrate the roles of plants in an array of activities, many of which may still be undiscovered.

“It’s not solely about viewing plants as food resources; that’s common. We emphasize their involvement in complex processes. It possibly involves transforming perishable materials for use at various stages of Homo sapiens 34,000 years ago.”

“While the identification of elusive plant residues not typically highlighted in traditional research continually improves, our multi-analytical approach unveils fresh perspectives on the technical and cultural sophistication of Upper Paleolithic tools, designed to skillfully exploit the vast resources of plants and fully acknowledge their significance.”

In their investigation, researchers examined stone tools dating back 34,000 years, discovered in Zugiana Cave, Georgia.

They identified signs of mechanical processing of soft, wet materials consistent with plant matter such as leaves.

Employing an array of microscopic techniques (both optical and confocal), blue residues (occasionally fibrous) alongside starch grains were unexpectedly revealed.

These residues were particularly prevalent in the areas of the tools that displayed significant wear.

To ascertain the blue residues’ nature, scientists used advanced microscopy techniques, specifically Raman and FTIR spectroscopy.

These analyses confirmed the existence of indigotin chromophores in several samples.

“Once the molecules responsible for the blue coloration were identified, new questions arose. How and why were these residues associated with the tool’s working surface?” the author remarked.

They subsequently investigated the porosity of the stone, a crucial factor for trapping and retaining biological residues.

Both microscopic fragments of the archaeological tool and larger samples of experimental replicas underwent analysis using Micro-CT tomography.

This analysis confirmed the presence of pores capable of holding trace biological remnants.

Consequently, the team devised a series of replication experiments.

Initially, raw rock materials resembling those used by prehistoric inhabitants of Zuziana were sourced.

The pebbles were collected by Nino Jakeli from the Nikrisi River, located just beneath the cave.

Following this, controlled experiments were conducted, mechanically treating a range of plants, including fiber sources (such as bast fiber) and potentially indigotin-yielding species.

“We employed a rigorous approach to pollution control and biomolecular analysis to provide insights into contemporary human behaviors and the technical and ecological knowledge likely prioritized during the Upper Paleolithic era,” the researchers stated.

“Whether this plant remains serve medicinal purposes or have other uses presents a new perspective on the intriguing potential for diverse plant utilization.”

Survey results have been published online in the journal PLOS 1.

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L. Longo et al. 2025. Direct evidence of treatment of Isatis Tinctoria L., non-nutritional factories, 32-34,000 years ago. PLOS 1 20(5): E0321262; doi: 10.1371/journal.pone.0321262

Source: www.sci.news

UAV Technology Reveals Hidden Secrets of Ancient Mega-Fortress in Southern Georgia

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High-resolution UAV-based aerial survey of the massive Bronze Age fortress Domanissis Gora in Georgia, South Caucasus, reveals the extent of a large external fortification system and settlements that are largely undocumented in the region. The exceptional size of D. gora helps add a new dimension to population assembly models in Eurasia and other regions.

Aerial photo of the Domanisis Gora ruins. It shows where two canyons meet. Excavation work on the inner fortress in 2023 is visible in the foreground. Image credit: Nathaniel Erb-Satullo.

Fortified settlements in the South Caucasus appeared between 1500 and 500 BC and represent an unprecedented development in the region’s prehistory.

Located on the border between Europe, the Eurasian steppe and the Middle East, the Caucasus region has a long history as a crossroads of cultures with a unique regional identity.

In a new study, archaeologists focused on Domanisis Gora, a 60-80 hectare fortified settlement in Georgia that is exceptional in its preservation and size.

Dr. Nathaniel Erb Satullo of the Cranfield Institute of Forensic Sciences at Cranfield University and his colleagues wrote: “The fortifications of Domanisis Gora consisted of a double-walled fortified core and a much larger outer shell with additional fortifications. “There is,” he said.

“Two steep-sided gorges, 60 meters deep in places, supplement the defensive walls.”

“Previous research had noted that the site had an unusually large walled enclosure, but the site had not been systematically mapped.”

The researchers used the DJI Phantom 4 RTK drone, which can provide less than 2 cm relative position accuracy and very high-resolution aerial imagery.

To obtain high-precision maps containing man-made features, each feature in the aerial images was carefully checked to confirm its identity.

To understand how the landscape at the site has evolved, the orthophotos were compared to 50-year-old photos taken by a Cold War-era reconnaissance satellite that was declassified in 2013.

This gave scientists much-needed insight into which features are recent and which are old.

The team was also able to assess which areas of the ancient settlement were damaged by modern agriculture.

All of these data sets were integrated into geographic information system (GIS) software to help identify patterns and changes in the landscape.

“The drone takes approximately 11,000 photos and uses advanced software to combine these photos with a high-resolution digital elevation model and orthophotos, which show every point as if looking directly down. We created a composite photo,” said Dr. Elvusaturo.

The researchers found that the Domanisis Gora ruins were more than 40 times larger than originally thought, and included a large outer settlement protected by a kilometer-long wall.

“Using a drone, we were able to understand the importance of the site and document it in a way that would not be possible on the ground,” said Dr. Herv Saturo.

“Domanisis Gora is not only an important discovery for the South Caucasus region, but also has broader significance for the diversity of large-scale settlement structures and their formation processes.”

“We hypothesize that Domanicis gora may have expanded through interaction with mobile pastoral groups, with large settlements outside it expanding and contracting seasonally.”

“The site has now been extensively mapped and further research will be initiated to gain insight into areas such as population density and density, livestock movements and agricultural practices.”

The team’s paper was published in a magazine ancient.

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Nathaniel L. Erb-Saturo others. Megaforts of the South Caucasus: New data from southern Georgia. ancientpublished online on January 8, 2025. doi: 10.15184/aqy.2024.197

Source: www.sci.news

Citizens in Georgia rally against proposed construction of major monkey breeding facility in their community.

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Residents are expressing concerns about the facility itself and the potential for monkeys to escape, which has occurred in the past. Similar incidents have been reported at other facilities in the United States, including one operated by Oregon Health & Science University. In Portland, there have been no reports of harm to nearby residents,

“We’re facing a jungle – the noise, the smell, the risk of disease,” stated Penny Reynolds, who resides across the street from the land designated for the Bainbridge facility.

Safer Human Medicine has reassured residents that they take all necessary precautions to ensure that all waste remains on-site and is sent to the city’s wastewater treatment plant, and that most of the noise is contained on-site with no detectable odors.

Greg Westergaard, the CEO of monkey breeder Alpha Genesis, mentioned that establishing a monkey facility entails significant effort.

“It would involve extensive training and infrastructure,” he explained. “There will be unpleasant odors and wastewater from cleaning.”

Residents of Bainbridge point to the backgrounds of several executives at Safer Human Medicine, two of whom previously held leadership roles at companies that were under investigation, as a reason to be skeptical of their efforts.

CEO of Safer Human Medicines, Jim Harkness, is the chief operating officer of Envigo. He recently pleaded guilty. Thousands of dogs were abandoned, leading to a $35 million fine. Former Chief Operating Officer Kurt Derfler has left Charles River Laboratories. The Department of Justice issued a subpoena The probe was part of an inquiry into the potential smuggling of wild monkeys from Cambodia, and Charles River Laboratories stated at the time that any concerns about its involvement were “unwarranted.”

Neither Mr. Harkness nor Mr. Derfler faced individual charges related to those incidents.

Safer Human Medicine declined an interview request. “Envigo was functioning under unprecedented circumstances brought on by the pandemic,” they said in an email. They also stated that “we have been committed to operating responsibly and ethically in this field for decades and will continue to do so.”

Long-tailed macaques, also known as crab-eating macaques, are climbing the pillar in Indonesia in 2023.Chaidir Mahyudin/AFP via Getty Images file

Safer Human Medicine has stated that they do not use wild-caught macaques. Herpes BThe macaques will be sourced from Asia, but the specific location has not been disclosed.

Community activism in Bainbridge has made an impact. What was initially promoted as a “significant investment” is now overseen by Rick McCaskill, executive director of the Bainbridge and Decatur County Development Authority. Approximately $400 million and 260 jobs Things took a turn quickly. Following pushback from the community, Bainbridge leaders decided in February to Withdraw support for the Safer Human Medicine Project.

“The division and fear within the community seemed to outweigh the benefits of the project,” McCaskill remarked.

Monkeys used for research are housed at seven national primate research centers, each with its own breeding colonies, as well as other facilities across the country. While the national primate research centers mostly utilize rhesus macaques, pharmaceutical companies tend to prefer long-tailed macaques, which Safer Human Medicine intends to use.

Animal testing for drug development was formerly mandatory in the United States, but President Joe Biden will lift the ban in 2022. FDA Modernization Act 2.0 Signed into LawAllow non-animal options where possible. Several members of Congress voted this year to The bill was submitted. We advocate for a shift away from animal testing.

“There are various alternatives available today, such as AI, computer models, and organs on chips,” stated Jim Newman, spokesperson for the American Association for Medical Progress, a group that supports animal testing when necessary, “but current options can only reduce the number of animals to a certain extent.”

An artist’s rendering of a monkey enclosure proposed for Bainbridge, Georgia.Safer Human Medicines

Currently, researchers still rely on monkeys for certain tests, and some animal researchers cite a U.S. Shortage of long-tailed macaques — Imports reportedly dropped by over 20% in 2020 due to China halting exports, leading to a surge in prices of long-tailed macaques.

Safer Human Medicine believes that their proposed facility can address the monkey shortage, intending to start with 500 to 1,000 monkeys and then expand. They stated that the facility would be funded by industry and private donors in the US, without specifying them.

The extent of opposition from local residents to the facility remains unclear. Some local politicians who opposed the facility lost recent elections, but it is uncertain if their defeat was linked to their stance.

Nevertheless, Faircloth asserted that her group has no intention of backing down.

“If we don’t stand up for our rights, they will walk all over us,” she declared. “And we can’t allow that to happen.”

Source: www.nbcnews.com