Lifeboat Foundation

A team of researchers has just demonstrated quantum enhancement in an actual X-ray machine, achieving the desirable goal of eliminating background noise for precision detection.

The relationships between photon pairs on quantum scales can be exploited to create sharper, higher-resolution images than classical optics. This emerging field is called quantum imaging, and it has some really impressive potential — particularly since, using optical light, it can be used to show objects that can’t usually be seen, like bones and organs.

Quantum correlation describes a number of different relationships between photon pairs. Entanglement is one of these, and is applied in optical quantum imaging.

New research reveals how increasing brain stiffness as we age causes brain stem cell dysfunction, and demonstrates new ways to reverse older stem cells to a younger, healthier state.

Humans today are mosaics, our genomes rich tapestries of interwoven ancestries. With every fossil discovered, with every DNA analysis performed, the story gets more complex: We, the sole survivors of the genus Homo, harbor genetic fragments from other closely related but long-extinct lineages. Modern humans are the products of a sprawling history of shifts and dispersals, separations and reunions—a history characterized by far more diversity, movement and mixture than seemed imaginable a mere decade ago.

Original story reprinted with permission from Quanta Magazine, an editorially independent publication of the Simons Foundation whose mission is to enhance public understanding of science by covering research developments and trends in mathematics and the physical and life sciences.

But it’s one thing to say that Neanderthals interbred with the ancestors of modern Europeans, or that the recently discovered Denisovans interbred with some older mystery group, or that they all interbred with each other. It’s another to provide concrete details about when and where those couplings occurred. “We’ve got this picture where these events are happening all over the place,” said Aylwyn Scally, an evolutionary geneticist at the University of Cambridge. “But it’s very hard for us to pin down any particular single event and say, yeah, we’re really confident that that one happened — unless we have ancient DNA.”

Near-death experiences have gotten a lot of attention lately. The 2014 movie Heaven Is for Real, about a young boy who told his parents he had visited heaven while he was having emergency surgery, grossed a respectable $91 million in the United States. The book it was based on, published in 2010, has sold some 10 million copies and spent 206 weeks on the New York Times best-seller list. Two recent books by doctors—Proof of Heaven, by Eben Alexander, who writes about a near-death experience he had while in a week-long coma brought on by meningitis, and To Heaven and Back, by Mary C. Neal, who had her NDE while submerged in a river after a kayaking accident—have spent 94 and 36 weeks, respectively, on the list. (The subject of The Boy Who Came Back From Heaven, published in 2010, recently admitted that he made it all up.) Science, cool facts, mind, emotion, breakthrough, science.

Their stories are similar to those told in dozens if not hundreds of books and in thousands of interviews with “NDErs,” or “experiencers,” as they call themselves, in the past few decades. Though details and descriptions vary across cultures, the overall tenor of the experience is remarkably similar. Western near-death experiences are the most studied. Many of these stories relate the sensation of floating up and viewing the scene around one’s unconscious body; spending time in a beautiful, otherworldly realm; meeting spiritual beings (some call them angels) and a loving presence that some call God; encountering long-lost relatives or friends; recalling scenes from one’s life; feeling a sense of connectedness to all creation as well as a sense of overwhelming, transcendent love; and finally being called, reluctantly, away from the magical realm and back into one’s own body.

By Michael Le Page

The mimivirus is so enormous it has its own kind of CRISPR-like immune system to defend against the smaller viruses that attack it. A team in France has confirmed how it works by transferring the entire system to a bacterium and tweaking it to destroy a different target.

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https://youtu.be/-IaYan29BxY

This is interesting because it has today type applications, but I wonder, what about a 3D printed body? Remember the movie Starship Troopers when they repaired that guy’s leg in the water tank thing? I’ve seen similar devices in other movies. Could be easier than removing the head completely and safer, when the ability to print human tissues is feasible.

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Professor Jae Eun Jang’s team in the Department of Information and Communication Engineering has developed electronic skin technology that can detect “prick” and “hot” pain sensations like humans. This research result has applications in the development of humanoid robots and prosthetic hands in the future.

Scientists are continuously performing research to imitate tactile, olfactory and palate senses, and tactile sensing is expected to be the next mimetic technology for various applications. Currently, most tactile sensor research is focused on physical mimetic technologies that measure the pressure used for a robot to grab an object, but psychosensory tactile research on mimicking human tactile sensory responses like those caused by soft, smooth or rough surfaces has a long way to go.

Professor Jae Eun Jang’s team has developed a tactile sensor that can feel pain and temperature like humans through a joint project with Professor Cheil Moon’s team in the Department of Brain and Cognitive Science, Professor Ji-woong Choi’s team in the Department of Information and Communication Engineering, and Professor Hongsoo Choi’s team in the Department of Robotics Engineering. Its key strengths are that it has simplified the sensor structure and can measure pressure and temperature at the same time. Furthermore, it can be applied on various tactile systems regardless of the measurement principle of the sensor.