SCIENTIFIC EDUCATIONAL CENTER science idea
Biologists have found an unexpected similarity between carrion bees, hyenas and vultures
2021-11-26 16:28
Bees include representatives of seven families and thousands of species of insects. The vast majority of them are vegetarians, although they can eat animal food from time to time. Only individual bees are scavengers "by nature" and do not collect pollen at all. These include, for example, trigons (Trigona), which live in South and Central America and flock in masses to the corpses of animals, quickly devour...
MSU physicists have proposed a method for restoring the energy of an electron beam to measure neutrino oscillations
2021-11-25 18:20
Employees of the D.V. Skobeltsyn (SINP) and the Faculty of Physics of Moscow State University, together with foreign colleagues, proposed ways to improve the existing models of neutrino-nuclear interaction by electron scattering methods, which made it possible to test different versions of such models.
Neutrino experiments make it possible to study one of the most interesting physical phenomena - neutrino ...
Ultrashort laser pulses destroy superbugs without damaging human cells
2021-11-24 18:12
Antibiotics were one of the most important inventions of the 20th century, but their effectiveness drops dramatically as bacteria develop resistance to them. Now researchers from the University of St. Louis have shown that ultra-short pulses of laser light can kill bacteria and viruses without damaging human cells.The rise in multidrug-resistant "superbugs" is a looming health crisis that, according to some...
DNA replication under the microscope
2021-11-23 18:05
Cryogenic electron microscopy (cryo-EM) has enabled researchers to study how the DNA replication machinery assembles at sites where DNA is damaged.
Cellular DNA is continuously exposed to both endogenous and exogenous DNA-damaging agents, such as reactive oxygen species and UV radiation. To reduce the biological consequences of DNA damage, all living organisms have evolved mechanisms to tolerate and repai...
Youth embody ‘spirit’ of 21st century more than parents, new survey shows
2021-11-22 17:51
Even in the face of the COVID-19 pandemic, climate change and other global challenges, children and youth are nearly 50 per cent more likely than older people to believe that the world is becoming a better place, according to the results of a landmark intergenerational poll published on Thursday.
The international survey was conducted by the UN Children’s Fund (UNICEF) and Gallup, the global analytics and...
New cell, shown to regulate heart rate, discovered at University of Notre Dame
2021-11-21 20:13
Researchers at the University of Notre Dame discovered a new type of cell in the heart that may help regulate heart rate, and could be an important key in understanding certain types of congenital heart defects and other diseases that involve the heart.
The cells, which were termed nexus glia, resemble critical glial cells called astrocytes in the brain, according to research completed in the lab of Cody S...
The animal which was considered the ancestor of the snake, turned out to be a sea lizard
2021-11-20 20:13
The origin of snakes is one of the most controversial topics in vertebrate evolution. In 2015, paleontologists described a unique discovery from the Early Cretaceous in Brazil as the first known snake to retain the rudimentary rudiments of four limbs. The animal was named Tetrapodophis amplectus, which in Greek means "four-legged snake."
She had four limbs - so tiny that they can be safely called rudimenta...
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