06 March 2018

Soldiers in biostasis

DARPA is trying to slow down the biological clock in order to save the lives of the wounded on the battlefield

Techcult

When it comes to severe injuries on the battlefield, minutes decide everything. In this regard, the Advanced Development Agency DARPA is launching a program to study how molecular biology can slow down the speed of processes within biosystems. This will expand the possibilities of successful recovery of the wounded after severe injuries.

The program was named "Biostasis". The fact is that similar processes occur in nature – for example, in tiger and forest frogs. These animals are capable of falling into a state of cryptobiosis – dehydration of tissues under prolonged adverse conditions. At the same time, the metabolism in their bodies is close to zero, which allows them to survive.

So, for example, tree frogs caught in the frost can literally "freeze" for several days, and after warming again return to normal.

Another example is tardigrades, tiny invertebrates up to 1.5 mm in size with a unique ability to survive in the harshest conditions. They can withstand temperatures from -272 to +150 °C. They are not afraid of vacuum, giant water pressure at a depth of more than 4000 meters, as well as being without food and water for a long time. In one of the studies, Harvard University scientists came to the conclusion that, quite possibly, slow walkers will live to the "death" of the Sun.

The survival mechanisms of these animals are different, so DARPA researchers are likely to focus on the overall ability of the body to selectively "turn on the brakes" for specific molecular processes at the protein level. At the same time, all processes in the body should "slow down" harmoniously, avoiding violations when returning to normal "speed".

Biostasis will initially affect simple biochemical processes associated, for example, with the formation of antibodies. Further research will move on to cells and further to the systems of the whole organism.

Additional information about the Biostasis program will be announced by DARPA March 20 , 2018 The webinar starts at 12:30 PM EDT (19.30 Moscow Time) – WM.

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