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Articles related to "science"


Science, history, and purring cats: Brief podcasts for the nerdy set

  • If you’re struggling to commit to podcasts on topics like history and science, don’t fret: We have recommendations for great series that typically serve complete episodes well under half an hour.
  • If history is more your thing, try spending your brain breaks with Witness History, a BBC podcast that tells the stories of historical events from the perspective of people who were actually there.
  • This podcast spends more time on serious topics than the others on this list, but its miniseries about Black history and the fall of the Berlin Wall are well worth listening to.
  • If you're tired of people talking at you all day, and wish you could just spend your lunch break at home with your cat—or if you don't have a cat, and wish you did—you may want to give Purrcast a listen.

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Hair regrowth: Could microRNA lead the way?

  • Rather than transplanting hair follicles, which can be costly and relies on a ready supply of donors, more recent research has attempted to stimulate hair follicle cells in the laboratory.
  • However, research has shown that for this to be effective in stimulating growth, the hair follicle cells require culturing in the right conditions.
  • As with previous research, they found that the 3D cultured follicle cells transplanted onto the areas of baldness were more effective than either the 2D cultured follicle cells or minoxidil.
  • They noticed that in the 3D cultured cell follicles, the microRNA miR-218-5p was encouraging the gene communication that signals hair growth.
  • The team’s finding is potentially valuable, as while the implantation of 3D cultured cell follicles is effective in stimulating hair follicle activity, the process of transplantation is laborious and costly.

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Your Fancy Model and Low MSE Means Little to Your Data Science Boss

  • Here’s a data science task: say that there are two possible layouts for a checkout page, which sees how two elements — ‘other items you may enjoy’ and the ‘checkout now’ button — should be ordered.
  • We need to wait for dozens of weeks or even months for enough users to visit the checkout page and to measure their signals.
  • If we only have signals from the three times a user visits our page, we may be hesitant to put this in the data, which could throw off the model.
  • The ability to build models and interpret complex metrics and signals is important, but the capability to deal with uncertainty and to keep your eye on the end goal and purpose instead of getting caught up with small technicalities and nuances is more so.

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Your Fancy Model and Low MSE Means Little to Your Data Science Boss

  • Here’s a data science task: say that there are two possible layouts for a checkout page, which sees how two elements — ‘other items you may enjoy’ and the ‘checkout now’ button — should be ordered.
  • We need to wait for dozens of weeks or even months for enough users to visit the checkout page and to measure their signals.
  • If we only have signals from the three times a user visits our page, we may be hesitant to put this in the data, which could throw off the model.
  • The ability to build models and interpret complex metrics and signals is important, but the capability to deal with uncertainty and to keep your eye on the end goal and purpose instead of getting caught up with small technicalities and nuances is more so.

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Your Fancy Model and Low MSE Means Little to Your Data Science Boss

  • Here’s a data science task: say that there are two possible layouts for a checkout page, which sees how two elements — ‘other items you may enjoy’ and the ‘checkout now’ button — should be ordered.
  • We need to wait for dozens of weeks or even months for enough users to visit the checkout page and to measure their signals.
  • If we only have signals from the three times a user visits our page, we may be hesitant to put this in the data, which could throw off the model.
  • The ability to build models and interpret complex metrics and signals is important, but the capability to deal with uncertainty and to keep your eye on the end goal and purpose instead of getting caught up with small technicalities and nuances is more so.

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Covid-19 news: Coronavirus cases may be levelling off in England

  • Only 72 per cent of the contacts of people who tested positive for coronavirus in England in the week ending 29 July were reached by NHS Test and Trace, according to the latest figures from the Department of Health and Social Care.
  • Belgium is one of a number of European countries that has seen a resurgence of the virus, with an average of 535.4 people per day testing positive for the virus between 26 July and 1 August, according to health officials.
  • The report criticises the government’s decision not to include Spain on this initial list, adding that it made a “critical error” in mid-March by ending this quarantine advice for people without symptoms arriving from other countries.
  • Under current government rules, introduced in July, people arriving in the UK from certain countries are required to quarantine for 14 days and can be fined for failing to do so.

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External Walls and Roof of Tesla Giga Berlin On Track for August Completion

  • Tesla is using large cranes to put pre-constructed wall and roof sections into place for the Gigafactory in Berlin.
  • This appears to be on track to reach the completion of the outside building structure by the end of August.
  • This would place the factory at about the June 2020 stage of Tesla Shanghai.
  • There would then be the installation of air condition equipment and ducts, electrical and lighting and installation of factory equipment.
  • Tesla Shanghai completed those phases from June to September in 2019.
  • Jay in Shanghai showed Tesla Shanghai progress every week to two weeks with drone video.

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Physicists have a massive problem as Higgs boson refuses to misbehave

  • The Higgs boson, discovered at the CERN particle physics laboratory near Geneva, Switzerland, in 2012, is the particle that gives all other fundamental particles mass, according to the standard model of particle physics.
  • For the first time, both of the major groups that use it – the CMS and ATLAS collaborations – have observed the Higgs decaying into two muons, a sort of particle we have never directly seen it interact with before.
  • While this result may not be surprising, Gibson-Even says, it is somewhat frustrating because we know the standard model is incomplete – in addition to not explaining why particles have different masses, it also doesn’t account for dark matter or dark energy.
  • The next step, Blekman says, is to take even more precise measurements of the Higgs interacting with a range of different particles.

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Lilly Starts Phase 3 Trial for Antibody Treatment of COVID-19

  • Eli Lilly a Phase 3 trial studying LY-CoV555 for the prevention of SARS-CoV-2 infection and COVID-19 in residents and staff at long-term care facilities in the U.S.
  • Lilly created customized mobile research units to support the on-site study.
  • These units include a custom retrofitted recreational vehicle (RV) to support mobile labs and clinical trial material preparation, along with a trailer truck that will deliver all clinical trial supplies needed to create an on-site infusion clinic.
  • Lilly will deploy its mobile research unit fleet in response to outbreaks of the virus at long-term care facilities across the U.S. About LY-CoV555 LY-CoV555 is a potent, neutralizing IgG1 monoclonal antibody (mAb) directed against the spike protein of SARS-CoV-2.
  • LY-CoV555 emerged from the collaboration between Lilly and AbCellera to create antibody therapies for the prevention and treatment of COVID-19.

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Years of Criminal Incompetence and Bureaucracy Led to Beirut Disaster

  • The Beirut explosion was the result of over six years of criminal incompetence and bureaucracy in Lebanon.
  • It was sent to Beirut by its owner to take on an additional cargo of heavy equipment because of financial difficulties.
  • The ship and cargo were abandoned by her owners.
  • In 2014 the port authorities transferred the ammonium nitrate into a Warehouse next to the grain silos.
  • The lawyers said the cargo was “awaiting auctioning and/or proper disposal”.
  • The port’s general manager, Hassan Koraytem, and the director-general of Lebanese Customs, Badri Daher, both said they and other officials repeatedly warned the judiciary about the danger posed by the stored ammonium nitrate and the need to remove it.
  • The other reason that it was not done on purpose is that there no political or monetary gain for anyone to cause more trouble for Lebanon.

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