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A new method for producing environmentally friendly plastic from pine juice has been discovered
Researchers from the University of Florida have made a breakthrough in the field of environmentally friendly materials. They have discovered a new way of producing plastic based on pine sap, which has become an alternative to fossil fuels. According to the main author of the study, Justin Kennemur, this is an important step towards the development of modern polymers and the creation of new materials. Synthe...
Food systems transformation a ‘silver lining’ in COVID crisis: UN deputy chief
A sustainable and prosperous planet can only be achieved through working together and in solidarity, the UN Deputy Secretary-General said on Wednesday at the end of a major global food security meeting. Amina Mohammed was speaking during her closing press conference at the Food Systems Pre-Summit in Rome, Italy.  ‘A silver lining’  More than 500 delegates from 108 countries attended in-person, while thou...
The relationship between primate brain size and the number of social contacts has not been confirmed
Swedish researchers repeated the calculations of the British anthropologist Robin Dunbar, who revealed in 1992 the relationship between the number of friends and the size of the brain of humans and primates, and found no confirmation of his theory. "The theoretical basis on which the Dunbar number was derived turned out to be very shaky. The brains of other primate species process information quite differe...
Archaeologists have found out when people started using fire
RIA Novosti. Scientists conducted a comparative analysis of the appearance of signs of fire breeding at the sites of ancient man and found out that almost everywhere it happened about 400 thousand years ago-much earlier than previously thought. In addition, the authors argue that our ancestors already had a system of communication and knowledge transfer by this time, otherwise it is impossible to explain th...
What is an artificial heart and how does it work?
Medical technologies have reached such a high level that today surgeons are able to perform even heart transplant operations. But there are very few donor organs, which is why patients who need them have to wait for them for a long time and sometimes do not live up to this moment. To increase the chances of life, surgeons often transplant artificial organs to people: engineers have already come up with mech...
CERN scientists have refuted early confirmation of some deviations from the Standard Model
Scientists of the European Organization for Nuclear Research CERN, working as part of the ATLAS experiment at the Large Hadron Collider (LHC), have experimentally verified one of the fundamental principles of the Standard Model of particle physics — the so-called principle of the universality of the lepton flavor. And, the results obtained by scientists contradict earlier results obtained at the time at the...
New brain-like computing device simulates human learning
Researchers have developed a brain-like computing device that is capable of learning by association.Similar to how famed physiologist Ivan Pavlov conditioned dogs to associate a bell with food, researchers at Northwestern University and the University of Hong Kong successfully conditioned their circuit to associate light with pressure.The research will be published April 30 in the journal Nature Communicati...

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