The most interesting discoveries of last week

12.03.2013

What science has brought us last week? Surprisingly long life of brain cells, rat-telepaths and travel to Mars for two — that's what brought us to this week's Science.



 

See for yourself...

Pessimists may live longer



 

Low expectations of happiness in the future may allow people to live longer.

A recent study of elderly Germans showed that people with a more pessimistic view of life live longer and healthier than their more optimistic fellow.

Rat telepathy?



 

The scientists managed to create something that is very close to meld a couple of rats by connecting the brains of animals electronic channel so that they can work together to solve the puzzle. And the connection of minds remained strong even when the rats were separated themselves many thousands of kilometers.

This experiment was carried out at Duke University neuroscientist Miguel Nicolelis, who is well known for his work on the creation of artificial limbs controlled by reason.

Monkeys use tools for the extraction of nuts



 

And the monkeys are not just using tools to chop nuts. They use them with skill.

This is the conclusion reached by scientists who discovered the use of tools similar strategies in humans and Brazilian bearded Capuchin, who use stones to chop nuts. Both men and monkeys, which is necessary to break a nut, spend some time to install the nut in the most stable position on the stone "anvil" to the best pieces are not rolled away after the impact.

Wanted a married couple for a flight to Mars



 

A new non-profit project, led by the world's first space tourist, the fist-driven mission to Mars in 2018, and the expedition can be composed of married couples.

The project, headed by American millionaire Dennis Tito, aimed not to commit a controlled landing on the surface of the Red Planet, and to use the opportunity of a rare planetary opposition to take a quick flight around Mars.

Pilozubaya shark


Recent studies have discovered a mysterious fossil remains of an ancient sea predator that had coiled in the mouth with teeth serrated outgrowth, who served as lethal forward tool.

Helikorpion was a bizarre creature extinct about 225 million years ago. Like modern sharks Helikorpion had calcified cartilage instead of bone, so the only trace left of it in the fossil record, there were strange ventseoobraznye spiral teeth, which are not similar to anything than a shark today.

Brain cells can survive the body



 

According to a recent study, brain cells can live at least twice as long as the organisms in which they reside.

The study, published in the journal «Proceedings of the National Academy of Sciences», found that neurons of mice implanted in rats can live in new bodies to extreme old age, exceeding the life span of the mouse actually doubled.

When was "Iliad"



 

Scientists who decipher the genetic history of the people for mutations of genes that have applied the same technique to one of the oldest and most revered texts of the Western world to unravel the date on which it was written.

This text is the "Iliad" of Homer, and Homer — if such a person ever really existed — on the received data scientists allegedly wrote it in 762 BC, plus or minus 50 years. "Iliad" tells the story of the Trojan War — if such a war, too, has ever had the place to be — Mezhuyev Greeks and Trojans.

Ancient shoes, finish their days in the temple



 

More than two thousand years ago, at a time when kings ruled Egypt Greek dynasty that someone may have a group of people who have hidden the most valuable thing they possessed — his shoes.

Seven of shoes were placed in a vessel in the Egyptian temple of Luxor, three pairs and one unpaired shoe. Two pairs belonged to the children and had a length of about 18 centimeters. The other couple in the vessel length of 24 centimeters, belonged to the lame adult.

The bones of Cleopatra's sister?



 

Vienna archaeologist, who lectures in North Carolina, states that he allegedly failed to identify the bones of killed sister or half-sister of Cleopatra. But not everyone agrees with this view.

And the reason for this is the fact that the circumstances that connect the bones found in the ancient Greek city, with a relative Cleopatra Arsinoe IV, for the most part random. Yes, the scientists analyzed the DNA, but two thousand years of bones too often moved and passed from hand to hand, so that you can get a non-compromised results.

 

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