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Controversial surgeon Sergio Canavero and his colleague Xiaoping Ren attached the head of a small rat to a larger one while preserving the donor’s brain activity.
Has There Been A Successful Brain Transplant
A third rat was used to maintain blood pressure in rats undergoing surgery, which would otherwise have been disastrous, killing the animals.
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The experiment was repeated on other rats. The majority survived just 36 hours after treatment.
But Dr. Canavero considered it a success because it aimed to prevent massive blood loss.
The images of the rats appear to show the donor’s forearm and head sewn onto the rat’s upper neck.
Dr. Canavero had done a similar experiment before on a dog where the spinal cord had been cut, but it is not known how long he lived.
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Last year, he announced that he had successfully performed a head transplant on a monkey that survived for 20 hours before being euthanized for ethical reasons.
Despite the low survival rate of the rats, Dr Canavero argued that the experiment was a vital step towards human head transplantation.
But other neurosurgeons rejected this statement. In response to the dog experiment, said Jerry Silver, a neuroscientist at Case Western Reserve University
Dr. announced Canavero said he and Dr. Xiaoping will attempt to perform the first head transplant later this year in Harbin, China.
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He announced his intention to undergo the first treatment in 2013 and was encouraged by his recent success.
A Russian man with degenerative Werdnig-Hoffmann disease named Valery Spiridonov was due to undergo the treatment, but Dr Canavero has now said that a Chinese national will undergo the treatment.
In a statement, Dr. Canavero that “a large number of volunteers have come from all over the world.”
NASA has discovered that Pluto has an “exploding heart” of frozen nitrogen that is doing strange things on its surface. The mysterious core appears to be the cause of features on its surface that have fascinated scientists since they were spotted by NASA’s New Horizons mission. “Before New Horizons, everyone thought Pluto would be a netball – completely flat, with little variation,” said Tangie Bertrand, an astrophysicist and planetary scientist at NASA’s Ames Research Center and lead author of the new study. “But it’s completely different. It has a lot of different landscapes, and we’re trying to understand what’s going on there.”
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The ancient worm-like invertebrate rhenopyrgus viviani (pictured) is one of more than 400 species previously unknown to scientists discovered this year by experts at the Natural History Museum.
Jacks can recognize “dangerous” people by listening to each other’s warning calls, scientists say. According to researchers from the University of Exeter, highly social birds will remember the person if they return to the nest. In the study, a person unknown to the wild jackals approached their nest. At the same time, the scientists played recordings of warning calls (threat) or “contact calls” (non-threat). The next time the jackals saw the same person, the birds that heard the warning earlier were defensive and returned to their nests twice as fast, on average.
The sex of the turtles is determined by the temperature at which they are hatched. Warm temperatures favor women. But by circulating the egg, embryos can find a “golden zone” which means they can protect themselves from extreme thermal conditions and maintain a balanced sex ratio, according to new research published in the journal Current Biology.
An international study has shown that poaching rates for African elephants have fallen by 60 percent in six years. It is believed that the decline may be linked to the ban on ivory trade introduced in China in 2017.
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Scientists have determined that the ancestor of the whale was a four-legged creature with webbed feet. Fossils found in Peru have led scientists to the conclusion that the giant creatures that roam the oceans of the planet today are the descendants of small ungulate ancestors that lived in South Asia 50 million years ago.
A scientist came across a creature with a “temporary anus” that only appears when needed before disappearing completely. Dr. did not come. Sidney Tam of the Marine Biological Laboratory found no trace of an anus on the species to begin with. However, when the animal fills, the pores open to pass waste
Fearing extinction, Wallace’s giant bee has been spotted for the first time in almost 40 years. An international group of conservationists spotted a bee four times the size of a typical honey bee on an expedition to a group of islands in Indonesia.
Fossilized bones digested by crocodiles have revealed three new mammal species that roamed across the Cayman Islands 300 years ago. The bones belonged to two large rodent species and a small porcupine-like animal
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Scientists at the University of Maryland have created tissue that adapts to heat, expanding to allow more heat to escape the body in warm weather and contracting to retain more heat in cold weather.
A study from the University of Tokyo showed that the tears of small mice caused female mice to be less interested in the sexual advances of males.
The Intergovernmental Panel on Climate Change report predicts a global temperature increase of 1.5 degrees Celsius and warns against higher rises
The Nobel Prize in Chemistry was awarded to three chemists working on evolution. Francis Smith receives the Award for Leadership in Enzyme Evolution, and Gregory Winter and George Smith receive the Award for Phage Peptide and Antibody Display.
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The Nobel Prize in Physics was awarded to three physicists working on lasers. Arthur Ashkin (L) was honored for his ‘optical tweeters’, which use lasers to capture particles, atoms, viruses and other living cells. The award was jointly awarded to Donna Strickland and Gerard Mourou for the development of pulse amplification on lasers.
Ledumahad Mafube roamed what is now South Africa about 200 million years ago. Recently discovered by an international team of scientists, this was the largest land animal of its time, weighing 12 tonnes and standing 13 feet tall. In Sesotho, the southern African language of the region where the dinosaur was found, its name means “huge thunder at dawn”.
Scientists have witnessed the birth of a planet for the first time. This striking image from the SPHRE instrument on ESO’s Very Large Telescope is the first clear image of a planet forming around the dwarf star PDS 70. The planet stands out clearly, visible as a bright dot on the right . The center of the image is obscured by a coronagraph mask used to block blinding light from the central star.
The layers, long thought to be dense connective tissue, are actually a series of fluid-filled compartments that researchers call the “interstitium.” These compartments are found under the skin, as well as lining the intestines, lungs, blood vessels, and muscles, and join together to form a network supported by a strong network , flexible proteins.
No, There Hasn’t Been A Human ‘head Transplant’, And There May Never Be
A team working in the state of Mato Grosso in Brazil, led by archaeologists from the University of Exeter, discovered hundreds of villages hidden deep in the rainforest. These excavations included evidence of defenses and mysterious earthworks called geoglyphs.
More than one in 10 have been found to have traces of class A drugs on their fingers by scientists developing a new fingerprint-based drug test. Using a sensitive analysis of the chemical composition of sweat, researchers were able to distinguish between those who were directly exposed to heroin and cocaine, and those who encountered them indirectly.
A great storm has been raging on Earth for 350 years. The colors of the image have improved since it was sent back to Earth.
He added: “The final decision is made only before the operation, because it also depends on the donor body, which must be compatible with the recipient in many ways.”
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“I wouldn’t wish this on anyone,” said Dr. Hunt Butger, president of the American Association of Neurological Surgeons, in 2015. “I will not let anyone do this to me because there are many things worse than death.” “
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