Explore

South Florida Avocado Farmers Grapple with Ongoing Laurel Wilt Threat, Production Halved

South Florida Avocado Farmers Grapple with Ongoing Laurel Wilt Threat, Production Halved

South Florida's avocado industry is facing a severe and ongoing challenge from laurel wilt, a disease that has significantly impacted growers. The disease, caused by the fungus Raffaelea lauricola and spread by ambrosia beetles, was first identified in a commercial avocado grove in Homestead in 2012. Since its initial detection, South Florida's avocado production has declined by approximately 50 percent, according to Dr. Andrew Mann, a postdoctoral associate at the University of Florida’s IFAS Tropical Research and Education Center (UF/IFAS TREC). Commercial avocado grower Carlos de la Torre described the situation as 'terrible,' highlighting the lost production, increased costs, and the difficult decision of removing mature trees that have been infected. The disease continues to reshape the region's avocado industry, posing a substantial threat to the livelihoods of many farmers.

Shark Expert Deems Repellent Bands 'Sugar Pill' After Fatal Attack, Questions Effectiveness

Shark Expert Deems Repellent Bands 'Sugar Pill' After Fatal Attack, Questions Effectiveness

Senior marine life ranger Sharky Baxter has critically assessed wearable shark repellent bands, labeling them as little more than a 'sugar pill' following a fatal shark attack in South Africa. A 65-year-old woman was killed while swimming despite wearing a magnetic repellent band, raising significant doubts about the efficacy of such devices. Baxter stated that these bands provide a false sense of security, noting a history of individuals wearing them still being attacked by sharks. Scientist Maddy Massie further explained that while electric deterrents have some scientific backing due to their interference with a shark's electrical sensing system, magnetic devices have far less evidence supporting their effectiveness, often only working at extremely close ranges, less than one meter. Both experts question the commercialization of these devices, especially how sales surge after shark encounters, capitalizing on public fear.

Scientists Discover Unidentified Baby North Atlantic Right Whale, Boosting Conservation Hopes

Scientists Discover Unidentified Baby North Atlantic Right Whale, Boosting Conservation Hopes

Researchers in Canada have captured images of a previously unidentified baby North Atlantic right whale off Anticosti Island in Quebec. This discovery, confirmed by scientists at the New England Aquarium in Boston, indicates the calf was likely born months ago but went undocumented during winter surveys. The mother has been identified as Silt, a 38-year-old whale known to researchers. This finding increases the total number of baby right whales discovered from the most recent birthing season to 24, marking it as the most productive year for the species since 2009 and the fourth-highest count on record. North Atlantic right whales, numbering only about 380 globally, have experienced a population decline since 2010, making each new birth crucial for their survival. The whale was spotted by researchers from the Mingan Island Cetacean Study, a nonprofit organization, despite extensive boat-based and aerial surveys along the U.S. East Coast failing to detect it earlier.

Scientists discovered an unknown baby right whale off Canada. They say it's a cause for joy

Scientists discovered an unknown baby right whale off Canada. They say it's a cause for joy

Scientists who study whales are heartened by an unexpected discovery of a baby right whale off Canada

Massive fin whale glides past divers in rare encounter off Costa Rica

Massive fin whale glides past divers in rare encounter off Costa Rica

"This may be one of the first verified records [of fin whales] in Costa Rican waters.”

Beachgoer Finds The Tiniest Turtle Tangled In Seaweed And Drops Everything To Help

Beachgoer Finds The Tiniest Turtle Tangled In Seaweed And Drops Everything To Help

As a wildlife enthusiast, Amanda’s favorite mornings are usually spent walking along the Indialantic Beach in Florida’s Brevard County, collecting trash and observing marine life activity in the water.

Olympic Swimmer David Johnston Reveals Car Accident and Injuries Halting His Career

Olympic Swimmer David Johnston Reveals Car Accident and Injuries Halting His Career

Olympic Swimmer David Johnston Reveals Car Accident and Injuries Halting His Career

Cyclospora Outbreaks Lead to $374 Million Loss in Bagged Salad Sales

Cyclospora Outbreaks Lead to $374 Million Loss in Bagged Salad Sales

Cyclospora Outbreaks Lead to $374 Million Loss in Bagged Salad Sales

Scientists Map Octopus Squeezing Strategy, Informing Soft Robotics Design

Scientists Map Octopus Squeezing Strategy, Informing Soft Robotics Design

Scientists have successfully mapped the intricate strategies octopuses employ to squeeze through impossibly small openings. Researchers at the National University of Singapore's Soft Robotics Lab, in collaboration with biologists from the University of Naples Federico II, observed and video-recorded three sub-adult common octopuses navigating adjustable openings. The study, published in the Journal of Experimental Biology, revealed that octopuses adapt their squeezing technique based on the size of the aperture. For wider openings (larger than the distance between their eyes), they use a three-step process: probing with one arm, moving several arms through, and then using those arms to pull the rest of their body. When the opening is narrower, they switch to a four-step process, adding an extra step to pull remaining arms through before separately squeezing their head and mantle. This research highlights the remarkable flexibility of octopuses, whose bodies are built around a muscular hydrostat system, all...

Marine Heatwaves Pose Growing Threat to U.S. Coastal Ecosystems and Fisheries

Marine Heatwaves Pose Growing Threat to U.S. Coastal Ecosystems and Fisheries

Marine heatwaves, defined as periods when sea surface temperatures remain above the 90th percentile for at least five consecutive days, are becoming more frequent due to global warming. These events are a significant threat to marine life, including coral reefs and fish populations, and can intensify cyclones. The definition of a marine heatwave is relative, meaning the threshold is set by each location's historical temperature readings for a specific season, rather than a fixed global temperature. When these heatwaves occur, corals can bleach by expelling their symbiotic algae, leading to their potential death. Additionally, fish kills can occur in large numbers due to the unusually warm water, impacting fishing communities and food security. The tropical Indian Ocean is experiencing the fastest warming among tropical oceans, increasing the risk of such events in that region, with similar impacts observed globally.

NOAA Scientists Identify Mysterious Golden Orb as Deep-Sea Anemone Cuticle

NOAA Scientists Identify Mysterious Golden Orb as Deep-Sea Anemone Cuticle

Scientists from the U.S. Government's National Oceanic and Atmospheric Administration (NOAA) have identified a mysterious golden orb discovered in the Gulf of Alaska in 2023. Initially baffling researchers, the object was found during a deep-water mapping expedition by the ship Okeanos Explorer. The remotely operated vehicle (ROV) Deep Discoverer located the reflective golden blob, approximately 10cm across with a skin-like fibrous texture, at 3,200 meters below the surface on the Walker Seamount. After three years of painstaking analysis, including electron microscopy and whole genome sequencing at the Smithsonian Institution's National Museum of Natural History, the orb was confirmed to be the anchoring cuticle of a giant deep-sea anemone, Relicanthus daphneae. This discovery suggests the species is more widespread than previously thought, as it had only been observed near hydrothermal vents in other oceans.

New Brittle Star Species Discovered in Denmark Linked to Ancient Whale Falls

New Brittle Star Species Discovered in Denmark Linked to Ancient Whale Falls

Paleontologists in Denmark have identified a new species of brittle star, *Ophiura huebnerjenseni*, from a 9.5-million-year-old whale carcass found in the Gram Clay Pit. This discovery marks the first fossil evidence globally of brittle stars associating with whale falls in shallow-water environments during the Miocene epoch. Researchers, including Mette Elstrup and Trine Sørensen of the Museum of Southern Jutland, and Ben Thuy and Lea D. Numberger-Thuy from Luxembourg and Germany respectively, found tiny skeletal plates of the brittle stars concentrated exclusively in sediment samples taken directly beside the whale bones. This specific distribution suggests that these ancient marine invertebrates gathered around the deceased whale, likely taking advantage of the large food source it provided. The species has been named in honor of Holger Hübner and Thomas Jensen, founders of Germany’s Wacken Open Air heavy metal festival, with a geological connection noted between the festival's muddy grounds and the anc...