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Conditions aren’t ideal for tactical training, but trainee Teresa Fast is pushing through. "There's definitely winds, or rains, or whatever is out there,” she says. “We just work through it. It definitely makes you tough."Fast is among the hundreds of people each year who graduate and become U.S. border patrol agents. But before that happens, agents must first pass the coursework at CBP Border Patrol Academy, located in the desert of southern New Mexico, where they're whipped into shape.The agents are trained on real-work scenarios, like safely ending a vehicle pursuit. These types of situations were the focus of the academy's overhaul about a year ago, when the school switched over from a classroom 3-month curriculum to a more hands-on regimen that lasts 6 months. "The students actually see some of the things they will encounter in the field, so getting out of the classroom and making it scenario-based,” explains Deputy Chief Carlos Ortiz with the academy. Other scenarios include vehicle stops and interrogations, which are usually practiced in Spanish, a language they all have to learn. "You have to be a strong and willing person to be able to be out there day in day out,” Ortiz says. And 47-year-old Richard Douglas is willing and up for the task. Douglas was a border agent two decades ago, before moving over to Homeland Security after 9/11. He says now is a good time to return to the border. "The border patrol has made a big push to increase their numbers, and it was a really good time to come back for me,” Douglas says. The academy is recruiting in a big way.Congress says there must be over 21,000 border patrol agents, and as of 2018, they were still about 2,000 short. 1716

Eleven people have died so far in 2019 while climbing Mount Everest, a behemoth of a mountain that towers 29, 029 feet above sea level. This is more than twice the number of people who died climbing Everest in 2018, which saw only five deaths that season.But it's not the number of deaths that some may find shocking — it's the reasons behind them. Only two of this season's Mount Everest deaths can be attributed to falls.So what's killing climbers ascending the mountain? It's primarily exhaustion and altitude sickness, and something called "the death zone."Seasoned climbers call any part of the mountain above 26,000 feet "the death zone" because there is only so long a human can survive at that elevation due to lack of oxygen. "Even when using bottled oxygen, supplemental oxygen, there's only a very few number of hours that we can actually survive up there before our bodies start to shut down," mountain guide Adrian Ballinger told CNN. And, unfortunately, the wait at the summit of Mount Everest plays a role in these deaths because the longer someone is at that altitude, the more severe they feel the effects from lack of oxygen and exhaustion. During the week beginning May 20, crowds of climbers became stuck in a queue to the summit. When this happens, climbers aren't eating, drinking or sleeping and continue to use up vital oxygen, which can lead to death.British climber Robin Haynes Fisher was one of those who had warned of the dangers of overcrowding."With a single route to the summit, delays caused by overcrowding could prove fatal so I am hopeful my decision to go for the 25th will mean fewer people. Unless of course everyone else plays the same waiting game," he wrote in a captioned Instagram post on May 19.He died after suffering from what appeared to be altitude sickness at 28,215 feet, while returning from the summit on Saturday.Altitude sickness occurs when people are at high elevations for an extended period of time. It can happen anywhere that's 8,000 feet above sea level or more. There are three types of altitude sickness. From least to most severe, they are: acute mountain sickness, high-altitude pulmonary edema (HAPE) and high-altitude cerebral edema (HACE). The symptoms for all three types are similar (headache, fatigue, dizziness, nausea, vomiting, shortness of breath), but HAPE is accompanied by a buildup of fluid in the lungs and HACE, the most severe type of altitude sickness, occurs when there's a buildup of fluid in the brain.So how can climbers avoid the same deadly fate as the 11 who died? Simply put — be careful. Acclimate as slowly as you can to increased elevations, drinks tons of water, rest and immediately start descending if you feel symptoms of altitude sickness.CNN contributed to this story. 2782

DFW customs line over 3 hours. CDC here and no one knows what’s going on. #coronavirus pic.twitter.com/8nnvUDhRts— Harper ? (@drunktweetn) March 14, 2020 166

Dolphins may be in serious trouble as temperatures rise with global warming.After a heat wave struck the waters of Western Australia in 2011, scientists noticed that warmer ocean temperatures caused fewer dolphin births and decreased the animal's survival rate.The heat wave caused the water temperature of an area called Shark Bay to rise about 4 degrees above the annual average. After the heat wave, the survival rate for some species of 453

EVANS, Colo. — Ernesto Castro says he felt like he had a second chance at life after leaving the hospital where he spent days in a coma, hooked up to a ventilator, 176

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