Showing posts with label Science and Technology. Show all posts
Showing posts with label Science and Technology. Show all posts

Saturday, September 30, 2023

Archaeologists unearth the largest cemetery ever discovered in Gaza and find rare lead sarcophogi

    Saturday, September 30, 2023   No comments

GAZA CITY, Gaza Strip (AP) — Palestinian workers in the Gaza Strip have found dozens of ancient graves, including two sarcophagi made of lead, in a Roman-era cemetery — a site dating back some 2,000 years that archaeologists describe as the largest cemetery discovered in Gaza.

Workers came upon the site last year during the construction of an Egyptian-funded housing project near Jabaliya, in the northern Gaza Strip. Since then, crews have worked to excavate the 2,700-square-meter (2/3 acre) site with the support of French experts.


Now, what was once an inconspicuous construction lot — surrounded by a grove of nondescript apartment buildings — has become a gold mine for archaeologists looking to understand more about the Gaza Strip.

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Saturday, September 17, 2022

The origins of covid-19: An appeal for an objective, open, and transparent scientific debate about the origin of SARS-CoV-2

    Saturday, September 17, 2022   No comments

The scientific community is now unconvinced of the natural path of covid19 (from nature to human) and, for the first time, signal that that a research path is a possibility. This shift brings to focus the danger of biological and chemical weapons that many states continue to engage in.

This scientific shift was amplified recently by a new report from the prestigious British scientific journal, The Lancet. Here is quote from the report bout this significant development:

 

A research-related origin is plausible. Two questions need to be addressed: virus evolution and introduction into the human population. Since July, 2020, several peer-reviewed scientific papers have discussed the likelihood of a research-related origin of the virus. Some unusual features of the SARS-CoV-2 genome sequence suggest that they may have resulted from genetic engineering,  an approach widely used in some virology labs. Alternatively, adaptation to humans might result from undirected laboratory selection during serial passage in cell cultures or laboratory animals,   including humanised mice. Mice genetically modified to display the human receptor for entry of SARS-CoV-2 (ACE2) were used in research projects funded before the pandemic, to test the infectivity of different virus strains. Laboratory research also includes more targeted approaches such as gain-of-function experiments relying on chimeric viruses to test their potential to cross species barriers. 
A research-related contamination could result from contact with a natural virus during field collection, transportation from the field to a laboratory, characterisation of bats and bat viruses in a laboratory, or from a non-natural virus modified in a laboratory. There are well-documented cases of pathogen escapes from laboratories.    Field collection, field survey, and in-laboratory research on potential pandemic pathogens require high-safety protections and a strong and transparent safety culture. However, experiments on SARS-related coronaviruses are routinely performed at biosafety level 2,  which complies with the recommendations for viruses infecting non-human animals, but is inappropriate for experiments that might produce human-adapted viruses by effects of selection or oriented mutations.
Overwhelming evidence for either a zoonotic or research-related origin is lacking: the jury is still out. On the basis of the current scientific literature, complemented by our own analyses of coronavirus genomes and proteins,      we hold that there is currently no compelling evidence to choose between a natural origin (ie, a virus that has evolved and been transmitted to humans solely via contact with wild or farmed animals) and a research-related origin (which might have occurred at sampling sites, during transportation or within the laboratory, and might have involved natural, selected, or engineered viruses).


 Read more from the source... An appeal for an objective, open, and transparent scientific debate about the origin of SARS-CoV-2

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Friday, August 12, 2022

Tehran: EU proposal to revive nuclear talks may be 'acceptable'

    Friday, August 12, 2022   No comments

Today, the Islamic Republic of Iran news agency quoted a prominent Iranian diplomat as saying that the European Union's proposal to revive the 2015 nuclear agreement "could be acceptable, if it provides reassurance" on Tehran's main demands.


The European Union said on Monday it had submitted a "final" text after four days of indirect talks between US and Iranian officials in Vienna.


A senior EU official said no further changes could be made to the text, which has been under negotiation for 15 months. He said he expected a final decision from both parties within "very, very, very few weeks."


The news agency quoted the Iranian diplomat, who was not identified, as saying that Tehran is reviewing the proposal, adding, "The proposals of the European Union can be acceptable if they provide Iran with reassurance regarding protection (measures), sanctions and guarantees."


The Islamic Republic has sought guarantees that no future US president would withdraw from the deal if it was revived, as former President Donald Trump did in 2018 and reimposed US sanctions on Iran.


However, President Joe Biden cannot make such strong assurances, because the agreement is a political understanding rather than a legally binding treaty.


Washington has said it is ready to quickly reach an agreement to revive the nuclear deal, based on European Union proposals.


Iranian officials said they would pass on their "other views and opinions" to the European Union, which is coordinating the talks, after holding consultations in Tehran.


Assistant for Political Affairs in the Office of the Presidency of the Iranian Republic, Mohammad Beheshti, commented on the recent Western media leaks on issues related to the safeguards system in the nuclear agreement, saying that these leaks show which party is suffering from pressure and needs a quick agreement.


Jamshidi said that he did not want to comment on the content or authenticity of the text published in the media on issues related to the safeguards system at the IAEA, but these coordinated media leaks show which party is under pressure and needs an immediate agreement, and that the study of the issue is continuing.


It is noteworthy that some media outlets, as well as some social media, have published news on issues related to the safeguards system and the proposed text of the agreement between Iran and international powers on the nuclear deal.


The Wall Street Journal had claimed that it had seen the text and added that the European proposal included making major concessions to Iran aimed at ending the IAEA investigation.


The Wall Street Journal claimed on Thursday that the European Union had proposed making major concessions to Iran in order to revive the nuclear deal.


According to the newspaper, the proposal submitted by the European Union indicates that Iran is expected to answer the International Atomic Energy Agency's questions "with a view to clarifying them," and adds that if Tehran cooperates, the other parties in the talks will urge the agency to close the investigation.


An EU spokesman has previously stated that the text submitted after recent talks in Vienna is in keeping with the usual confidentiality in such diplomatic processes, he said.



Thursday, April 07, 2022

A Shocking 99% of Us Are Now Breathing Unhealthy Air, WHO Warns

    Thursday, April 07, 2022   No comments

We often take the air we breathe for granted, but new data reveals that the pollutants behind millions of preventable deaths now taint the air most of us breathe at unhealthy levels.

"Air pollution has an impact at a much lower level than previously thought," says World Health Organization technical officer Sophie Gumy, in reference to WHO's recently updated air quality guidelines.

Based on an analysis of air pollution data covering more than 6,000 cities in 117 countries, WHO says 99 percent of the world's population now breathes air that does not meet the updated safety guidelines. This covers 80 percent of the world's urban areas.


read more ...

Tuesday, March 29, 2022

Built by an Unknown Culture, This Is The Oldest Sun Observatory in The Americas

    Tuesday, March 29, 2022   No comments

Long before the Incas rose to power in Peru and began to celebrate their sun god, a little known civilization was building the earliest known astronomical observatory in the Americas.

While not quite as old as sites like Stonehenge, these ancient ruins, known as Chankillo, are considered a "masterpiece of human creative genius", holding unique features not seen anywhere else in the world. 

Based in the coastal desert of Peru, the archaeological site famously contains a row of 13 stone towers, which together trace the horizon of a hill, north to south, like a toothy bottom grin.

Apart from this remarkable structure, known as the Thirteen Towers, the ruins of the observatory also include a triple-walled hilltop complex called the Fortified Temple and two building complexes called the Observatory and the Administrative Center. 

Completed over 2,300 years ago and abandoned in the first century of the common era, the site has remained a mystery to travelers for centuries.

Only when official excavations began at the turn of the 21st century, did archaeologists realize what they were looking at.

 read more...


Thursday, December 22, 2016

The Facebook Experiment: Quitting Facebook Leads to Higher Levels of Well-Being

    Thursday, December 22, 2016   No comments
Taking a break from Facebook can boost emotional wellbeing and life satisfaction, with the effects particularly pronounced among people who “lurk” on the social network without actively engaging with others, a study suggests.

The research by the University of Copenhagen showed the effects of quitting for a week were also strong among heavy users and those who envied their Facebook friends, suggesting that people who pore irritably over the posts of others may benefit the most.

The report’s author, Morten Tromholt, from the university’s sociology department, said the findings suggested that changes in behaviour – for example, heavy users reducing their time spent on Facebook, or lurkers actively engaging – could yield positive results.

Abstract:
Most people use Facebook on a daily basis; few are aware of the consequences. Based on a 1-week experiment with 1,095 participants in late 2015 in Denmark, this study provides causal evidence that Facebook use affects our well-being negatively. By comparing the treatment group (participants who took a break from Facebook) with the control group (participants who kept using Facebook), it was demonstrated that taking a break from Facebook has positive effects on the two dimensions of well-being: our life satisfaction increases and our emotions become more positive. Furthermore, it was demonstrated that these effects were significantly greater for heavy Facebook users, passive Facebook users, and users who tend to envy others on Facebook.

To cite the study:
Tromholt Morten. Cyberpsychology, Behavior, and Social Networking. November 2016, 19(11): 661-666. doi:10.1089/cyber.2016.0259.

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