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Bill Nye the Science Guy has returned to his roots of explaining scientific concepts, but on a different platform – TikTok.On Thursday, the former TV show host posted two videos on the platform, which is mostly used by younger people, to demonstrate why the public should wear masks to prevent the spread of the novel coronavirus.In his first video, Nye starts by explaining why people in the scientific community want you to wear face coverings when you’re out in public.“Face masks, like this one, prevent particles from my respiratory system from getting into the air and then into your respiratory system,” said Nye. “Blocking the movement of air is an old trick.”Nye then demonstrates how scarfs can block the movement of air to keep our necks warm, but they don’t block air enough to stop his breath from blowing out a candle.Afterwards, Nye brings out a homemade face mask with two layers of cloth and a pipe cleaner. Although the mask is simple, Nye says it “blocks the movement of air very effectively.” He tries to blow the candle out with the mask over his face, but he can’t.“If you’re wearing one of these, you’re protecting yourself and those around you,” said Nye. @billnye ##WearAMask ##LearnOnTikTok ##TikTokPartner? original sound - billnye In his second video, Nye brings out an N95 mask, which are used to block particles in the medical community and by those cutting their lawns. He tries to blow the candle out again and it’s even more effective than the cloth face mask.“So, the reason we want you to wear a mask is to protect you, sure, but the main reason we want you to wear a mask is to protect me, from you, and the particles from your respiratory system from getting into my respiratory system,” said Nye. “Everybody, this is a matter, literally, of life and death. And when I use the word literally, I mean literally.”“So, when you’re out in public, please where a mask,” Nye ends. @billnye ##WearAMask ##LearnOnTikTok ##TikTokPartner? original sound - billnye Nye isn’t the only one advocating for face coverings. The Centers for Disease Control and Prevention (CDC) and other public health officials are also asking Americans to wear masks in public to help slow the spread of COVID-19, which has killed more than 133,000 people in the U.S. and the cases are continuing to grow.A growing list of states are actually requiring residents to wear face coverings before leaving their homes. 2434

Brewing beer can be back breaking labor.Every day, while working at Living Waters Brewing in East Nashville, Thomas Becker lifts heavy bags of grain and kegs of beer. He says the constant physical grind is taking a toll on his body.“It hurts. It hurts a lot,” Becker said. “Sometimes I’ve had some days it’s hard just getting into the car after work.”Now, relief might be found right next-door at a HeroWear, a startup that designed an exosuit to literally take weight off people’s backs.“With a simple press of the button, you’re able to engage the assistance,” said Karl Zelik, Ph.D., an engineering professor at Vanderbilt University who is now the chief scientific officer of HeroWear, a new company with a mission of creating exoskeleton technology for everyone.“We’re simply taking advantage of the laws of physics to help reduce some of the strain on your back,” Zelik said of his team’s back-assist exosuit, which is designed for people in physically demanding jobs.The suit is like wearing a small backpack and some leg compression shorts, except when you bend down, it takes strain off a person’s back. There are versions designed for men and women.“There are elastic bands that are located along your back,” Zelik said. “When you bend down, instead of all of the strain going through your back muscles, some of that strain gets offloaded and goes through these elastic bands instead.”According to health experts, nearly 80% of Americans will suffer from back pain at some point during their lifetime. And while a new study by HeroWear shows this exosuit can cut down on back fatigue by up to 40%, spine specialists have some questions.“It is quite a contraption,” said William J. Lauretti, DC, a professor of chiropractic clinical sciences at New York Chiropractic College. “So, I couldn’t imagine working a whole day wearing it.”Lauretti says some of the alleged benefits of this exosuit could, in reality, be the result of a placebo effect.“If you’re wearing something like that,” he said, “ I think you’re more likely to be a little more cautious about what you do just because you’re wearing this big thing.”The exosuit costs ,200. For people in physically demanding jobs like Becker, the benefits are real.“It feels like when you bend down,” he said, “when you start to stand up, somebody is helping you stand up.”Becker added you can’t put a price tag on pain relief.“Definitely worth investing in,” he said. “Because this is me taking care of myself and taking care of my back for the future. Making sure I’m not going to be in pain long-term.” 2572

Both chambers of Congress voted on Monday on a long-awaited COVID-19 relief package. A deal was reached among Congressional leaders Sunday evening, who worked through the weekend to smooth over differences, after months of tense negotiations.The vote passed the House by a 359-53 margin. Several hours later, the measure was approved by the US Senate by a 91-7 margin. The bill now goes to President Donald Trump for his approval. The bill included 0-a-week in supplemental jobless benefits, direct payments of 0 for individuals, more than 0 billion in small business loans and more than billion for schools, as well as billions for help with vaccine distribution.The relief bill is not expected to have money for state and local government aid, something Democrats had been pushing for as municipalities experience sharp declines in tax revenues.However, the measure would extend the deadline for using CARES Act funding from earlier this year. The deadline to use that funding without losing it had been the end of the year.The pandemic relief package is connected to a larger .4 trillion spending package that must get passed by Congress to keep the government running and fund it through September 30, 2021.Congress passed a two-day government funding bill Friday evening to push the shutdown deadline to Sunday night at midnight. The House then approved a one-day extension of government funding Sunday night, which Trump signed, according to the Washington Post, to allow the COVID-19 relief package to be finalized so both measures can be voted on together.The possibility of a relief bill deal happened earlier in the day Sunday, after late-night conversations Saturday over a key sticking point about the role of the Federal Reserve.Republican Senator Pat Toomey had pushed a provision late last week to pull back to the role of the central bank’s emergency lending authority, after it was given some abilities with the CARES ACT earlier this year. He wanted to rescind some of the unused funds from the emergency loan program, as well as stop some of the changes to the Fed approved in the CARES Act.Democrats said the provision would tie the hands of President-elect Biden’s administration and limit options for aid in 2021. Senate Minority Leader Chuck Schumer worked with Toomey late into the night Saturday to work out a compromise.Trump has not been involved in recent talks about a relief package, and it is not clear how he will respond to the latest deal. 2496

BUFFALO, N.Y. — “Happiness happens in the blink of an eye,” Kevin Corbett said while standing outside his Buffalo, New York, home.Corbett should know. He said his life changed for the better in an instant on Dec. 3, exactly two days before his 43rd birthday.But, before we explain why, let’s rewind.Corbett grew up an only child. 337

Band-Aid is doing its part to address racial disparities by introducing a line of bandages in light, medium and deep shades of black and brown skin tones.The brand, owned by Johnson & Johnson, made the announcement on Instagram last week, saying the intent is to “embrace the beauty of diverse skin.”“We are dedicated to inclusivity and providing the best healing solutions, better representing you,” the brand continued.Additionally, Band-Aid said it will be making a donation to Black Lives Matter as a first of many steps to help address systemic racism.A Band-Aid spokesperson told CNN that it will be a 0,000 donation, in addition to the million that its parent company has committed to fight racism and injustice in the U.S. over the next three years.While Band-Aid’s new line is a step in the right direction, other brands have been doing this for some time now.For example, Tru-Colour Products was founded by a white father in 2014 who wanted to celebrate his adopted black son’s identity. Another example is Browndages, a black-owned bandage company founded by a husband and wife who were trying to fill a void in the market.Band-Aid itself has sold multiracial bandages in the past. In 2005, the brand launched its Perfect Blend products, but the company discontinued them because of “lack of interest at the time,” Band-Aid told CNN. The company still sells Perfect Blend products, but they’re clear.“We stand in solidarity with our Black colleagues, collaborators and community in the fight against racism, violence and injustice. We are committed to taking actions to create tangible change for the Black community,” Band-Aid said. 1663

来源：资阳报