武清龙济医院男性泌尿外科(天津市龙济泌尿外科门诊时间) (今日更新中)

Attorney General Jeff Sessions ordered a review Friday into how the Justice Department and FBI respond to indications of potential violence after the bureau said it failed to act on a tip about the shooter in the Parkland, Florida, school massacre.A person close to Nikolas Cruz, the confessed shooter, contacted the FBI on January 5 to report concerns about him, the FBI said in a statement Friday. But the bureau did not appropriately follow established protocols in following up on the tip."The information was not provided to the Miami Field Office, and no further investigation was conducted at that time," the statement said.The stunning admission -- which prompted Florida Gov. Rick Scott to call on FBI Director Christopher Wray to resign -- is sure to raise further questions about whether the FBI could have prevented the shooting at Marjory Stoneman Douglas High School, which left 17 dead.  915

As some companies consider making work-from-home permanent, others see the value in creating a workplace for employees. "We've always been flexible in our workplace, we've always allowed people to work from home if they want, and what we learned is that people do want a place that is their own that we can come into," said Reid Carr, CEO of the marketing agency Red Door Interactive. After years of leasing an office in downtown San Diego, the company wanted to create its own space, designed to foster collaboration and growth."We were excited when we found it, we had a vision for how this whole process was going to go down," said Carr. The company purchased nearly half an acre of property to create a campus-style workplace. But after the pandemic hit, they overhauled the design to ensure it was a space employees not only wanted to go to but could feel safe in.The new campus will incorporate touchless features throughout the buildings, like doors and water bottle filling stations. They're creating outdoor meeting spaces with heaters and shades so that they can be used year-round. And inside, they're investing in the best available HVAC systems for air filtration."I'm learning at all this stuff as we go, but we're looking at hospital grade stuff. The perspective we took is there's always going to be flus and colds, so why not do these things that will help keep people from spreading disease," said Carr. In addition to having their own socially distanced desks, employees will have designated areas separate from visitors, including the kitchen. One building will be the epicenter of conference rooms so they can be easily cleaned more frequently."Certain things never change. You want to feel like you belong to something, you want to connect with people," said Carr. The company plans to break ground on its new campus in early September, with plans to complete the project in April 2021. 1916

Authorities have started the arduous task of trying to retrieve a US missionary feared killed on a remote Indian island, careful not to trigger conflict with the islanders.John Allen Chau was last seen last week when he traveled to the forbidden North Sentinel Island in the Bay of Bengal to try to convert the island's residents to Christianity. The Sentinelese, as they are known, have a decades-long history of repelling outsiders, a fact that is near certain to make the journey to find Chau a treacherous one.Indian authorities along with the fishermen who reported seeing Chau's body last week, went near the island on Friday and Saturday in an effort to figure out how to recover the body."We have mapped the area with the help of these fishermen. We have not spotted the body yet but we roughly know the area where he is believed to be buried," said Dependra Pathak, a top police official in the Andaman and Nicobar Islands.Pathak said the group spotted several tribe members carrying bows and arrows and walking around the area where the fishermen said they saw Chau's body being dragged and buried."The mission was done from a distance to avoid any potential conflict with the tribespeople as it's a sensitive zone," he said. "We are discussing with anthropologists and psychologists about the nature of the Sentinelese."Pathak said there are a lot of things to consider before they enter the island, including the psychology of its residents."There are legal requirements as well which we need to keep in mind while carrying out the operation. We are also studying the 2006 case where two local fishermen were killed. The bodies were recovered then," he said. 1678

Babies have such a bad reputation when it comes to staying quiet on plane rides that some parents go so far as to hand out treats to fellow passengers before the plane has even taken off. Indeed, George and Amal Clooney, world travelers and parents of twin babies, made headlines late last year for gifting headphones to some passengers, along with a note apologizing in advance for any crying.While there’s no need to pack dozens of gifts in your diaper bag, travel and parenting experts recommend other strategies to increase your chances of a smooth flight with your baby. 603

At 3 p.m. ET on Monday, November 26, a group of researchers will be really sweating. The NASA InSight spacecraft will try to land on Mars.After six months of flight, the lander component of the probe will detach itself from the cruise stage and head into the atmosphere. The lander component initially looks a fair bit like the re-entry capsule used in the 1960s and 1970s for the Apollo moon missions -- sort of conical, with a smooth and flat bottom. That bottom is a crucial heat shield that is designed to protect the probe as it passes through the thin Martian atmosphere.The landing is a devilishly difficult feat. The landing capsule has to batter its way through the atmosphere. It will fly through the Martian air at an initial speed of 12,300 mph, and it must hit the atmosphere at an angle of precisely 12 degrees. Any shallower, and the probe will bounce off into deep space. Any steeper, and the probe will burn itself up in a spectacular and fiery death. The probe will first touch the atmosphere six minutes and 45 seconds before landing. During this phase, it will experience acceleration 12 times that of the Earth's gravity. Were the probe a 150-pound human, during the flaming descent, it would weigh nearly a ton.About 3? minutes after the probe hits the atmosphere, a parachute will deploy, slowing down the probe even more. Fifteen seconds later, explosives will blow the heat shield off, exposing the actual InSight probe hidden inside. Ten seconds after the heat shield falls away, the probe will extend its legs, much like an airplane extends its wheels before touching down.The probe will fall for an additional two minutes attached to the parachute and protected by its conical shell. About 45 seconds before InSight lands, it will drop out of the shell and fall toward the surface. As soon as it leaves the shell, its landing rockets will ignite.The actual InSight probe looks a little bit like the Apollo moon lander, with three legs to support it and a boxy top. The rockets will slow it further and stop any remaining horizontal motion. Then, about 15 seconds before touchdown, the InSight probe will descend at a speed of 8 feet per second, before hopefully touching down gently on the Martian surface.The entire landing sequence will take about seven minutes to occur. A radio signal from Mars to Earth currently takes about eight minutes and seven seconds to get here. So the complete landing process will take place before we find out if it was successful. It will be done automatically, entirely by the probe itself. For the scientists and engineers who designed InSight, this is called "seven minutes of terror."And they are right to be worried. Mars is a graveyard of failed probes. There have been 44 attempts by various national space agencies to land on Mars. Eighteen have been successful. Twenty-three have not. Three have achieved orbit but failed at a landing.So, what does InSight hope to achieve? Well, as it happens, a lot. But it's different than the intrepid Curiosity probe, which NASA landed in 2012. InSight will not move around. Instead, it will stay put and tell us of the interior of Mars.One thing it will do is emit radio waves that we can monitor on Earth. By making careful measurements of how the frequency of the radio waves change, we will be able to measure the degree to which Mars wobbles as it rotates. That will tell us something about the core of the planet, specifically its makeup and information on the degree to which it is molten.InSight will also deploy a seismometer to listen for marsquakes (like earthquakes, but Martian-style) and for impacts of meteors on the planet. Information gleaned from the waves the seismometer detects will tell us more about the planet's interior.The third thing InSight will do is to dig below the planet's surface. Using a jackhammer, the probe will drill down 5 meters (16 feet) into the planet and, basically, it will take the planet's temperature.There are many reasons this is interesting. Taking the temperature at that depth will allow planetary scientists to determine how much heat is escaping from Mars. More broadly, this measurement will allow a clear determination of the temperature of the planet much closer to the core.This information will tell us a lot about how Mars formed, which, in turn, will add to the information of how rocky planets, including our own Earth, typically develop.And if you're more of an explorer kind of person and not so interested in Martian geology, it will also tell us how warm the planet is at modest depths, which will tell us if there is any chance of liquid water on the planet. Perhaps obviously, if the Martian subsurface is warm enough, any buried water will be in liquid form and not ice. Finding liquid water would be the key discovery that would make Martian exploration relatively easy. A relatively recent possible discovery of a buried Martian lake was promising, but the data was not conclusive. Knowing that the ground is warm would be very comforting to possible future explorers.Exploring the solar system is the first step toward exploring the stars. The InSight probe will give us --well -- insight into whether this is something that humanity will achieve in the foreseeable future.And maybe Elon Musk's bet on him getting to Mars will become true. 5329

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