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Scientists are exploring mysterious “blue holes” that form at the bottom of the ocean off Florida’s Gulf Coast.The blue holes are underwater sinkholes that vary in size, similar to sinkholes you can see on land, according to the National Oceanic and Atmospheric Administration. They are diverse biological communities full of marine life, like corals, sponges, mollusks, sea turtles, sharks, and more.“Underwater sink holes, springs, and caverns are karst (calcium carbonate rock) features that are scattered across Florida’s Gulf continental shelf,” said NOAA.NOAA says little is known about blue holes due to their lack of accessibility and unknown distribution and abundance. Openings can be several hundred feet underwater and many openings are pretty small.“In fact, the first reports of blue holes did not come from scientists or researchers, but actually came from fishermen and recreational divers,” wrote NOAA.Last year, a team of scientists explored one blue hole, called “Amberjack Hole,” about 30 miles off Sarasota’s shoreline. NOAA says the exploration of the hole was the team’s most detailed blue hole investigation to date. Divers and a “benthic lander” were deployed to the bottom, 350 feet down.NOAA says the team collected 17 water samples from just outside the hole down to the bottom and collected four sediment cores at the bottom. They also discovered two dead but intact smalltooth sawfish, an endangered species, at the bottom of the hole. One of the animals was recovered to undergo a necropsy.But next month, crews plan to explore an even bigger hole, called “Green Banana.”The rim of the “Green Banana” is 155 feet below the sea surface and the bottom is at a depth of approximately 425 feet, according to NOAA.“The configuration of the hole is somewhat hourglass shaped, creating new challenges for the lander deployment and water sampling,” said NOAA.From these missions, scientists are hoping to learn the following:Whether the submersed sinkholes are connected to Florida’s groundwater or if there is groundwater intrusion into the Gulf of MexicoIf a particular blue hole is secreting nutrients and thus affecting an area’s primary productionWhether microenvironments harbor unique or new species of microbesIf the Amberjack site should become a protected area 2301

SAN YSIDRO, Calif. (KGTV) - Customs and Border Protection closed three lanes of traffic heading into the United States from Mexico Tuesday morning.In a statement, CBP said it was “to install and pre-position port hardening infrastructure equipment in preparation for the migrant caravan.”One lane of traffic was also closed at the Otay Mesa port of entry.It comes as active-duty troops have been working to add barricades and fencing as part of “Operation Secure Line.”On Tuesday, troops could be seen moving barriers covered with barbed wire along the border, periodically closing the southbound lanes into Mexico.In their statement, CBP officials warned “persons traveling northbound to the U.S. anticipate possible increased wait times because of the lane closures.”Even before the lanes were closed, wait times of six to seven hours had been reported at peak times in the standard lanes. Part of that was due to traffic control by authorities on the Mexican side.Travel as a pedestrian, however, has not appeared to be affected.Rebecca Fodor walked across Tuesday night and said it only took a few minutes. She said she did notice armed troops in camouflage uniforms.“It didn’t really change anything. I think they were just watching for anything suspicious,” she said.The lane closures will remain in effect indefinitely. CBP says reopening “is not anticipated to take place until sometime after people in the caravan arrive to the border.”  1469

SAN FRANCISCO (AP) — State and federal authorities estimated Tuesday that it will cost at least billion to clear debris from 19,000 homes and businesses destroyed by three California wildfires last month.The disaster relief officials said the cleanup costs will far surpass the record cleanup expense of .3 billion the U.S. Army Corp of Engineers spent on debris removal in Northern California in 2017. 415

SANTEE, Calif. (KGTV) — San Diego Sheriff's deputies say a father has been arrested months after the death of his infant child in Santee.Daniel Charles Marshall, 34, was arrested on Thursday by the U.S. Marshals Service Fugitive Task Force and booked into San Diego Central jail for murder and child abuse resulting in death, according to the Sheriff's Department (SDSO).On April 22, 2020, Santee Fire Department responded to a home in the 8600 block of Paseo Del Rey in Santee to a report of a seven-month-old infant in medical distress. The infant was taken to a nearby hospital for treatment but was pronounced dead three days later.Child abuse investigators responded to the scene and, eventually, homicide detectives took over the case.Homicide detectives obtained an arrest warrant for the infant's father, Marshall, who was arrested this week.Anyone who may have any information about the case is asked to call the SDSO Homicide Unit at 858-285-6330/after hours at 858565-5200, or Crime Stoppers at 888-580-8477. 1027

SAN FRANCISCO (AP) — San Francisco police say they arrested a man suspected in the abduction of a ring-tailed lemur from the city’s zoo, where officials rewarded a 5-year-old boy who helped recapture the endangered primate with a lifetime membership. Police said Friday that a 30-year-old man was taken into custody in connection with the theft and will face charges in San Francisco. Zoo officials thanked authorities and the young boy who initially spotted the lemur wandering around the grounds of his preschool and alerted school officials, who called authorities. 576

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