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A new study takes a look at how deep the problem of plastics in the ocean goes. Studies have looked at the quantity and spread of plastics in the world’s oceans, and now scientists are getting a better idea of how much of that litter is sinking down to the sea bed.The study, from Australia’s national science agency CSIRO, estimates there is 14 million metric tons of microplastics sitting on the ocean floor. That would be more than 35x as much plastic scientists believe is floating on the surface of the ocean.Microplastics are defined as pieces of plastic that have been worn down by the ocean and other elements into tiny fragments, smaller than 5 millimeters.The team collected samples of deep-sea sediments up to 9,800 feet deep from sites around the Great Australian Bight off the coast of South Australia. The robotic submarine took 51 samples.Scientists found an average of 1.26 microplastic pieces per gram of sediment in the samples.Dr. Denise Hardesty, Principal Research Scientist and co-author of the study, said they were "surprised to observe high microplastic loads in such a remote location.""Our research found that the deep ocean is a sink for microplastics," Hardesty said. "By identifying where and how much microplastic there is, we get a better picture of the extent of the problem."Around 150 million metric tons of plastic are already floating in our oceans -- with an additional eight million tons entering the water each year, according to the World Economic Forum.The researchers say most of the plastic dumped into the ocean likely ends up on the coasts, rather than on the ocean's surface or floor.The samples were taken in the spring of 2017; the study was published in Frontiers in Marine Science on Monday. 1750

A self-driving vehicle operated by Waymo was involved in a crash in Chandler on Friday afternoon. Helicopter footage from Scripps station KNXV in Phoenix showed significant damage to the self-driving van, as well as a silver sedan, after the collision near Chandler Village Drive and Chandler Boulevard. Minor injuries were reported in the crash.Chandler police said the Waymo van was in autonomous mode with an occupant behind the wheel at the time of the crash, but was not the "violator vehicle."Police spokesman Seth Tyler said it is believed that this is the first Waymo collision in Chandler this year.RELATED: Waymo gives?360-degree?view of what it's like inside self-driving carsThis is the second known self-driving car crash in the Phoenix area in the past two months. An Uber self-driving vehicle hit and killed a?pedestrian in Tempe on March 19.After the March crash, Waymo CEO John Krafcik?said he was confident in his company's technology.In November 2017, Waymo?announced that self-driving cars would be tested in Chandler without someone in the driver's seat. Chandler police told KNXV that an operator was behind the wheel at the time of Friday's collision. KNXV has reached out to Waymo for a comment on the crash.Waymo is subsidiary of Google. The company was founded in 2009.  1359

A South Florida pediatrician is helping parents stay informed about the effects of the coronavirus on children."I always tell parents, listen to your sixth sense," said Dr. Marcos Mestre with Nicklaus Children's Hospital in Miami.Mestre said that most children infected with COVID-19 experience mild symptoms and do "incredibly well" and don't need to admitted to the hospital. But, he added that children with underlying health conditions like a compromised immune system, obesity, or asthma may be at greater risk of having complications."Their hospitalization, if they need to be hospitalized, might be a little bit longer," Mestre said.WATCH INTERVIEW WITH PEDIATRICIAN: 682

A Michigan lawmaker has been removed from her committee assignments after telling Trump supporters to "tread lightly" in a since-deleted video on Facebook.The comments by State Rep. Cynthia Johnson, a Democrat representing Detroit, came days after she made national headlines by sharing threatening voicemails calling for her to be lynched. The caller was upset with Johnson's actions in a hearing with Trump lawyer Rudy Giuliani, who was seeking to overturn the results of the presidential election in the state. On Tuesday evening, Johnson posted a three-minute video to Facebook that concluded with language that Trump supporters took as a direct threat."So, this is just a warning to you Trumpers. Be careful. Walk lightly. We ain’t playing with you. Enough of the shenanigans. Enough is enough," Johnson said. "And for those of you who are soldiers, you know how to do it. Do it right. Be in order. Make them pay. I love y’all."Johnson later claimed that she was not using the term "soldiers" in a threatening way, but was only using it to refers to people in the Black community. "In the Black community, we call ourselves 'soldiers' against racism ... 'soldiers' for democracy. That's what 'soldiers' means in our community," she said.Her video also encouraged her supporters to oppose racism "right and in order."But the comments have caused significant backlash among Trump supporters. One Trump supporter, Roberta Adams, told Scripps station WXYZ in Detroit that she reported Johnson's comments to the Monroe County Sheriff's Department.On Wednesday, House Speaker Lee Chatfield Speaker-elect Jason Wentworth — both of whom are Republicans — said that Johnson had been removed from her committee assignments and that they were exploring further disciplinary action against her."Threats to either Republicans or Democrats are unacceptable and un-American," the two said, in part, in a joint statement.On Thursday, Michigan Gov. Gretchen Whitmer, a Democrat, said she thought Chatfield and Wentworth went overboard in their punishment. "I think that removing her from her committees is too far, truly ... I have reached out and asked the incoming House leadership to reconsider that," Whitmer said.Whitmer added that Johnson has been through a lot in recent months. In addition to receiving racially-based threats over the weekend, she's lost family members to COVID-19."I believe that it is crucial that we show one another some grace right now, and some empathy and some compassion," Whitmer said. 2516

A Montana health official said Monday the increasing number of cases of COVID-19 is concerning, and the numbers will get worse if people don’t take appropriate prevention measures to keep from contracting or spreading the virus.On the day Montana set a new single-day high with 56 new COVID-19 cases, Yellowstone County, which encompasses Billings and surrounding areas, added 14 cases. Many of the new positive cases are coming from family get-togethers, according to Yellowstone County Health Officer John Felton.“Many of these cases are related to gatherings, like barbecues and weddings where summertime fun is turning into infection and disease," said Felton.Felton says most of the people testing positive have shown symptoms and only three positives have come from a recent community testing event at MetraPark. He is encouraging everyone to continue to social distance and says masks do make a difference."Clearly when people are masked they reduce the chance of spread of disease. The main thing that (a) mask does: it prevents that masked person from expressing droplets that could be infected. If both people in a conversation are masked they are each protecting each other. It's not controversial in public health. I understand that there is some kind of political and social elements to that, but it's not a public health controversy whatsoever," said Felton.Felton says he believes the driving force behind the increase in cases is clearly that people are getting together more than they were before.As of Monday, Yellowstone County has reported 55 active cases of COVID-19 and 165 cumulative cases since the beginning of the outbreak. Montana has seen a total of more than 940 cases total. This story originally reported by Russ Riesinger on ktvq.com. 1774

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