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Articles related to "science"


Archaeologists Identify Traces Cannabis in Ancient Jewish Shrines

  • Roughly 35 miles south of Jerusalem, in an archaeological site in the Negev desert known as Tel Arad, archaeologists excavating an ancient Jewish shrine have found traces of burnt cannabis and frankincense on a pair of limestone altars, reports Kristen Rogers of CNN.
  • Tel Arad contains the remains of a Canaanite city from the third millennium B.C., as well as Israelite fortresses from between the 10th and 6th centuries B.C. Excavations in the 1960s identified a pair of citadels that guarded the southern border of the kingdom of Judah during that time, as well as a well-preserved shrine dated to roughly 760-715 B.C., according to a statement from the researchers?.
  • Prior analyses of the dark, burnt-looking spots on the altars discovered in the Tel Arad shrine conducted in the 1960s had been inconclusive as to their origins, reports Bruce Bower for Science News.

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The Data Scientists I’ve met

  • The industry has unrealistic expectations for Machine Learning in their business.
  • As the Data Scientist, you are taking on a business transformation role.
  • Self-Learning is essential in software engineering and the same applies to data roles.
  • Data Science and Machine Learning are exciting to you and your company if you could figure out where it fits.
  • You have a PhD, your team has PhDs, and you prefer to hire people with PhDs. Your core product is data-based or has high potential from Machine Learning.
  • Your company tried to hire a rock star capable of all aspects of Data Science.
  • The following skills to be essential to a Data Science team (I say the team and not individual).
  • I do not expect any single Data Scientist to have all these skills, but if you do well done!

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The Data Scientists I’ve met

  • The industry has unrealistic expectations for Machine Learning in their business.
  • As the Data Scientist, you are taking on a business transformation role.
  • Self-Learning is essential in software engineering and the same applies to data roles.
  • Data Science and Machine Learning are exciting to you and your company if you could figure out where it fits.
  • You have a PhD, your team has PhDs, and you prefer to hire people with PhDs. Your core product is data-based or has high potential from Machine Learning.
  • Your company tried to hire a rock star capable of all aspects of Data Science.
  • The following skills to be essential to a Data Science team (I say the team and not individual).
  • I do not expect any single Data Scientist to have all these skills, but if you do well done!

save | comments | report | share on


The Data Scientists I’ve met

  • The industry has unrealistic expectations for Machine Learning in their business.
  • As the Data Scientist, you are taking on a business transformation role.
  • Self-Learning is essential in software engineering and the same applies to data roles.
  • Data Science and Machine Learning are exciting to you and your company if you could figure out where it fits.
  • You have a PhD, your team has PhDs, and you prefer to hire people with PhDs. Your core product is data-based or has high potential from Machine Learning.
  • Your company tried to hire a rock star capable of all aspects of Data Science.
  • The following skills to be essential to a Data Science team (I say the team and not individual).
  • I do not expect any single Data Scientist to have all these skills, but if you do well done!

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Crops sprayed with 'barcoded' spores could help trace food poisoning

  • Spraying crops with bacterial or yeast spores that have unique DNA “barcodes” would make food safer by allowing the source of food poisoning to be rapidly identified, says a team at Harvard University.
  • They have genetically engineered the bacteria, developed a rapid test for them and shown that the spores – which are inert and harmless – persist and remain detectable, even on cooked food.
  • Tracing the source of contamination is difficult and can take many weeks, says Jason Qian at Harvard University.
  • His team has genetically engineered strains of Bacillus subtilis bacteria and Saccharomyces cerevisiae yeast to give them unique DNA “barcode” sequences.
  • A week later, the team were able to identify which pot a leaf came from.
  • Genetically modified strains of Bt have already been approved for use by farmers, says team member Michael Springer, also at Harvard University.

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Covid-19 news: People in the UK are sleeping less well under lockdown

  • Coronavirus: The science of a pandemic: As the death toll from covid-19 rises, discover how researchers around the world are racing to understand the virus and prevent future outbreaks in our free online panel discussion.
  • UK prime minister Boris Johnson told MPs today that the government’s current alert level for coronavirus, a system designed to inform people about the severity of the pandemic, “does allow” easing of restrictions.
  • Removing coronavirus restrictions too quickly and having to reintroduce lockdowns will be worse for the global economy than gradually easing restrictions, according to a modelling study published in Nature Human Behaviour today.
  • The data also shows that black people are between two and three times more likely to be diagnosed with coronavirus than white people, and death rates from covid-19 are highest among people from black and Asian ethnic groups.

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Germany bans digital doppelganger passport photos

  • BERLIN (Reuters) - Germany will outlaw the ‘morphing’ of passport photos, in which pictures of two people are digitally combined, making it possible to assign multiple identities to a single document.
  • Morphing can trick artificial intelligence used at passport control into ‘recognising’ different individuals.
  • The government on Wednesday backed a law requiring people to either have their photo taken at a passport office or, if they use a photographer, have it submitted in digital form over a secure connection, spokesman Steffen Seibert said.
  • Researchers at the Fraunhofer Institute for Computer Graphics have found that it is possible to morph photos of the faces of different people who are not even related.
  • Such manipulation of photos is typically invisible to the human eye, the researchers found.
  • All quotes delayed a minimum of 15 minutes.
  • See here for a complete list of exchanges and delays.

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How I Land My First Job in Data Science

  • Although the process may be different based on personal situations, I hope my experience provides one possible pathway for those early-career researchers (ECRs), especially those in science, who are looking for conversion but still uncertain about how to get started.
  • I learned systematically how to read literature, dissect problems, design experiments, test hypothesis, analyse data, and write articles through my whole research training.
  • In addition, there are already quite a few discussions about the endemic in academia for ECRs. Among all those downsides (e.g. job insecurity, abnormal working hours (especially for wet-lab researchers in life science), position availability, ‘publish or perish dilemma’), the fixed-term contract is the one held my nerve all the time.
  • As a postdoc in biological science, I have been analysing data using multivariate analysis, regression, networking analysis, and significance tests.

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Electric current helps dampen tics in people with Tourette's syndrome

  • An unusual new treatment for Tourette’s syndrome involves applying an electrical current to the wrist, which travels up nerves to the brain and changes brainwaves.
  • In most people, when they are motionless, brainwaves cycle at about 12 times a second in part of the brain called the motor cortex, located at the top of the head.
  • Previous research has shown that stimulating brainwaves in this area by using a strong oscillating magnetic field above the head can reduce tics in people with Tourette’s.
  • When 19 people with Tourette’s tried out the electrode, it reduced the frequency of their tics by a third, compared with when the electrode was turned on for the same length of time but had no regular frequency.
  • Jackson’s group is developing a watch-like device that people can turn on to deliver the stimulation when it is needed.

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How I Land My First Job in Data Science

  • Although the process may be different based on personal situations, I hope my experience provides one possible pathway for those early-career researchers (ECRs), especially those in science, who are looking for conversion but still uncertain about how to get started.
  • I learned systematically how to read literature, dissect problems, design experiments, test hypothesis, analyse data, and write articles through my whole research training.
  • In addition, there are already quite a few discussions about the endemic in academia for ECRs. Among all those downsides (e.g. job insecurity, abnormal working hours (especially for wet-lab researchers in life science), position availability, ‘publish or perish dilemma’), the fixed-term contract is the one held my nerve all the time.
  • As a postdoc in biological science, I have been analysing data using multivariate analysis, regression, networking analysis, and significance tests.

save | comments | report | share on