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At 80, old age is just beginning.

07.02.2006

So says Irish physician Ian Robertson, head of research at the Dublin Institute of Neurology.

He drew attention to the fact that the stroke is aging. If in 1984 the average age of stroke victims was 72, by 1999 it had reached 82. In other words, the Irish brain is getting younger. In just a short 15 years, people have become 10 years younger.

In this regard, according to Robertson, it is necessary to revise the accepted age limits. The median age, and not just for the Irish, now runs from 50 to 80. Our brain is plastic, it is shaped by the experience of life, learning, thinking. Like the rest of the body, it must be constantly kept in shape. Even such simple exercises as daily crossword puzzles are good here.

And yet, says Robertson, your own sense of age is very important. If you think of yourself as being in your 60s, you will be XNUMX at any age.

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Agricultural sequestration to overcome the climate crisis 12.04.2023

A group of scientists from Berkeley presented a study that will help to forget about the climate crisis quickly and relatively cheaply.

Experts suggest growing crops that naturally suck excess carbon out of the air and then bury harvested vegetation in the ground in bioengineered landfills kept dry with salts.

This is a new look at an existing process called agrosequestration. The researchers argue that if implemented on a large enough scale, the consequences can be impressive. Plus, at a price equivalent to only 53 cents a gallon of gasoline, it's still a very good deal.

"We argue that proper engineering can 100% solve the climate crisis at an affordable cost. If implemented on a global scale, this method of carbon sequestration has the potential to eliminate current annual carbon dioxide emissions, as well as previous years' emissions from the atmosphere," he said. study lead author Eli Jablonowicz, Ph.D. and professor at the University of California

The most interesting thing here is that the method will allow you to cancel past outliers. The fact is that even if humanity achieves its goal of reducing greenhouse gas emissions, even if we suddenly reduce them to zero right now, we will still end up with an atmosphere filled with greenhouse gases that have already accumulated over the past decades. Some of them dissipate for hundreds of years, heating the planet all this time. Therefore, along with the reduction of emissions, an effective technology for cleaning the air from pollutants is very necessary for mankind.

Agrosequestration has one big drawback: rotting biomass decomposes, releasing carbon dioxide and methane, which greatly reduces the total amount of carbon that this approach can store. By adding salt, the researchers hope to stop biodegradation by drying it out completely, allowing it to be preserved for "thousands of years."

This may allow agrosequestration to become not just neutral, but carbon negative. The team found that each metric ton of dry biomass could safely dispose of about two tons of CO2, a huge environmental benefit.

The method also has certain difficulties. Maintaining large scale barriers to prevent rotting of biosuspenders can be challenging, especially during long rainy periods. In addition, a large amount of salt is needed to dry the biodump.

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