超声引导下中心静脉置管术训练模型(贵州高级电子腕关节穿刺模型) (今日更新中)

Fox News on Friday afternoon stood by Laura Ingraham after she defended a white supremacist and several other fringe people who have been banned or disciplined by large social media companies.Ingraham's defense of the extremists on her prime time Fox show "The Ingraham Angle" came during a segment on Thursday about House Speaker Nancy Pelosi's criticism of Facebook for not removing a video doctored to make it 425

Fires are raging at a record rate in Brazil's Amazon rainforest, and scientists warn it could strike a devastating blow to the fight against climate change.The fires are burning at the highest rate since the country's space research center, the National Institute for Space Research (INPE), began tracking them in 2013, the center said Tuesday.There have been a total of 72,843 fires in Brazil this year, with more than half in the Amazon region, INPE said. That's more than an 80% increase compared with the same period last year.The Amazon is often referred to as the planet's lungs, producing 20% of the oxygen in the earth's atmosphere.It is considered vital in slowing global warming, and it is also home to uncountable species of fauna and flora. Roughly half the size of the US, it is the largest rainforest on the planet.Dramatic images and videos on social media show giant plumes of smoke rising from the greenery, and lines of fire leaving blackened waste in their wake.The smoke has reached all the way to Sao Paolo, more than 1,700 miles away. 1069

Facebook's Mark Zuckerberg and Sheryl Sandberg will not attend a hearing in Ottawa on Tuesday, despite receiving summonses from the Canadian parliament, Facebook confirmed on Monday.The decision could result in the executives being held in contempt of parliament, the senior Canadian politician who sent the summons told CNN.Both executives received formal requests from the Canadian Parliament earlier this month tied to a gathering of an international committee examining Silicon Valley's impact on privacy and democracy. Zuckerberg and Sandberg have testified before the United States Congress on the subject.On Monday night, Bob Zimmer MP, the chair of the committee, said that Facebook had not told the committee whether its two most senior executives would be attending. He said committee members learned on CNN that Zuckerberg and Sandberg would not testify.A Facebook spokesperson disputed that on Tuesday morning, saying the company had told the committee it would be sending Kevin Chan, its head of public policy for Facebook Canada, and Neil Potts, its director of public policy, to the meeting. The spokesperson added the company had been in ongoing communication with the committee.Lawmakers from at least ten countries, including the United Kingdom and Australia, are expected to attend the meeting, which is the second of its kind. The first meeting of the committee last year in London resulted in the release of 1441

House Speaker Nancy Pelosi and one of the most high-profile freshmen members -- Rep. Alexandria Ocasio-Cortez of New York -- met behind closed doors Friday 168

Houston officers have arrested a man they say fired a gun at the car of a family of four after an apparent "road rage incident," igniting the newly-purchased fireworks inside.Bayron J. Rivera, 18, is in custody and will be charged with four counts of aggravated assault, Harris County Sheriff Ed Gonzalez said Sunday. Rivera surrendered to investigators, he said.The children, a 1-year-old and a 2-year-old, sustained "severe burns" Thursday night and had to be life flighted for their injuries, according to Deputy Tom Turner with the Harris County Sheriff's Office violent crimes unit.Turner told reporters Thursday at the scene that two men had "exchanged words" and pulled into a gas station parking lot.Both men got out of their vehicles and one of them took out a firearm, Turner said.The other man, who had just purchased fireworks nearby, Turner said, returned to his car and started to leave with his wife and two children.That's when the suspect fired into their car, Turner said. One of the rounds hit the fireworks inside, "causing the fireworks to explode" and "catching the vehicle on fire."The man started to drive away but stopped, according to Turner. Some "good Samaritans" stopped to help the family and took them to a nearby urgent care clinic.The children were then life flighted to the University of Texas Medical Branch at Galveston with "severe burns," the deputy said. The mother and father were also transported to a hospital.The suspect, who fled the scene, was described by the victim as a mixed-race man in his 20s, Turner said. He was believed to be driving a light-colored, newer model Ford Expedition and he may have been with a woman and two other people.Anyone with information on the incident is asked to contact the 1764

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