A method for accurately determining biological age has been created. Free Technical Library News

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A method for accurately determining biological age has been created

02.06.2023

A group of biologists from Germany has created a way to accurately determine the biological age of an organism using gene analysis. Determining the correct biological age is important for physicians to understand the influence of the environment, the appointment of a daily regimen, or the choice of medications for treatment. Especially the new method will be in demand in gerontology.

It is the biological age of a person that is crucial for most diseases of the body, it affects the extinction of the function of various systems and organs. People age at different rates, and often actual age may not match biological age. At the same time, the correct determination of biological age can be extremely important when prescribing treatment, rejuvenation methods for recovery after surgical interventions, so scientists have always been looking for accurate biomarkers that can indicate the necessary data with 100% accuracy.

Biologists from the University of Cologne decided to use a set of specific genes that are read from DNA in the production of proteins to calculate the biowiki. They chose a nematode worm as a model for the study, the lifespan of which has long been calculated. Influencing worms with the help of external adverse influences, experts observed how changes occur in a thousand genes and how the lifetime of worms changes.

Experts managed to deduce certain patterns about biological age using the gene method. Now scientists hope to introduce this method based on gene activity in all areas of medicine where the calculation of the age of an organism is important.

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Computer on the water 01.06.2023

Scientists from Australia have presented a prototype "reservoir" computer that performs calculations in a container of water and predicts the future.

The behavior of waves on water is subject to strict physical laws and leads to a predictable result. According to scientists, their invention is an analog computer that is able to perform a number of tasks faster and more accurately than any digital platform.

The researchers supported the prototype with an effective mathematical model (it is based on the elements of the operation of neural networks), which the scientists described in their scientific article.

Structurally, the prototype of the "reservoir" computer is a long container with running water. The role of the input circuit is played by a pump that creates waves on the surface of running water. It should be noted that scientists were interested not in an ordinary wave that quickly loses strength, but in a structurally stable isolated wave propagating in a nonlinear medium - the so-called soliton.

The presented prototype showed that the analog wave platform is capable of storing both ordered and random input data. Also, the wave platform demonstrated the processing of input data in accordance with the task. In a number of cases, the result given out by the reservoir exactly exceeded similar calculations made on classical digital computers.

To improve the accuracy of reading the amplitude and wave pattern, scientists added a fluorescent composition to the water. In the future, they intend to develop a "water" microprocessor that could work on the principle of wave collision in a tank, but at the micro level and in a protected form, like a classic microchip.

Analog "reservoir" computers are expected to speed up calculations in climatology, sociology, the stock market and where forecasting depends on many probabilistic factors.

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