SCIENTIFIC EDUCATIONAL CENTER science idea
Studies show that only 7% of our DNA is unique to modern people
2021-07-18 10:52
What makes people unique? Scientists have taken another step towards solving an enduring mystery with the help of a new tool that can allow us to more accurately compare the DNA of modern humans and our extinct ancestors.
According to the study, only 7% of our genome is uniquely shared with other people and is not shared by other early ancestors.
"This is a fairly small percentage," said Nathan Schaefer, ...
UN deputy chief warns of ‘hurricane of humanitarian crises’
2021-07-17 10:48
There is a “bloody surge” impacting humanitarian crises around the world, with civilians in conflict zones paying the highest price, the UN deputy chief told the Security Council on Friday. Briefing on behalf of the UN chief, Deputy Secretary-General Amina Mohammed, painted a grim picture of civilian executions, arbitrary arrests, detentions, forced displacement and sexual violence against children, on a ma...
A cure for a heart attack from the deadly poison of spiders has been created
2021-07-16 14:55
RIA Novosti. Australian scientists have developed a drug that can save the lives of many people who have suffered a myocardial infarction. Interestingly, the drug is based on a substance contained in the venom of one of the deadliest spiders in the world — the funnel spider of Fraser Island.
After a heart attack, blood flow to the heart decreases, which leads to a lack of oxygen in the heart muscle. Lack o...
Biologists have found a protein that slows the development of Alzheimer's disease
2021-07-15 11:37
Molecular biologists have discovered that the rate of development of Alzheimer's disease directly depends on how much of the immune system signal protein interleukin-3 is located in the brain tissues.
The main sign and possible cause of the development of Alzheimer's disease is the accumulation of beta-amyloid protein inside brain cells. It is a fragment of the APP protein, which plays an important...
An ancient inhabitant of a cave in the Caucasus turned out to be a carrier of the gene of the modern Western Eurasian population
2021-07-14 12:18
An international team of scientists has identified DNA from the soil in a Georgian cave. Thanks to this, the researchers were able to restore the human genome at the age of 25 thousand years, without having any skeletal remains.
The Satsurblia cave in the west of Georgia was inhabited by people in different periods of the Paleolithic. However, the remains of only one human individual were found in it, dati...
Match matters: The right combination of parents can turn a gene off indefinitely
2021-07-13 18:02
Evidence suggests that what happens in one generation--diet, toxin exposure, trauma, fear--can have lasting effects on future generations. Scientists believe these effects result from epigenetic changes that occur in response to the environment and turn genes on or off without altering the genome or DNA sequence.
But how these changes are passed down through generations has not been understood, in part, be...
Engineers have put tens of thousands of artificial brain synapses into one small chip
2021-07-12 08:46
MIT engineers have developed a chip the size of a piece of confetti, which consists of tens of thousands of artificial brain synapses. The latter are also known as mac memristors, they simulate the process of transmitting information to the human brain, only it all happens on a small piece of metal. Information about the new development was published in the scientific journal Nature Nanotechnology.The resea...
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