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Life after death? #Science may be getting closer to an answer #immortality #Aware

Life after death? #Science may be getting closer to an answer #immortality #Aware | Limitless learning Universe | Scoop.it
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Life after death? Science may be getting closer to an answer
10News
Where do we go when we die? When our hearts stop, our lungs cease to process oxygen and the electricity buzzing through our neurons fizzles out, do we cease to exist?
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Nature and the universe are a wonder. Insufficiently explored...
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Rupert #Sheldrake - The #Science Delusion BANNED TED TALK #Einstein #Haramein

Re-uploaded as TED have decided to censor Rupert and remove this video from the TEDx youtube channel. Follow this link for TED's statement on the matter and ...
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Twitter Meme Mapping Method Reveals #Neural #Networks for Higher Cognition When Applied to #Brain

Twitter Meme Mapping Method Reveals #Neural #Networks for Higher Cognition When Applied to #Brain | Limitless learning Universe | Scoop.it
Applying social network models to the brain reveals neural networks responsible for higher cognition, a new study reports.

Via Donald J Bolger
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Talking about #EGO Robert #Lanza, M.D. #Biocentrism’: How Life Creates the Universe sort off....

Talking about #EGO Robert #Lanza, M.D. #Biocentrism’: How Life Creates the Universe sort off.... | Limitless learning Universe | Scoop.it
Biocentrism is a new “Theory of Everything” proposed by American scientist Robert Lanza
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#Climate Change Will Hit America in the Breadbasket, #Scientists Say, and thats not all

#Climate Change Will Hit America in the Breadbasket, #Scientists Say, and thats not all | Limitless learning Universe | Scoop.it
Climate experts have seen the future of America's breadbasket — and from their perspective, it doesn't look pretty.
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#FF #Doctors Are Prescribing Powerful #Antipsychotics to Many People With No Mental Illness #medicine #UK

#FF #Doctors Are Prescribing Powerful #Antipsychotics to Many People With No Mental Illness #medicine #UK | Limitless learning Universe | Scoop.it
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Large numbers of people with learning disabilities and no record of severe mental illness are being prescribed strong psychotropic drugs, possibly as a means of subduing and controlling uncooperative patients, research shows.
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interesting #DNA-Guided 3-D Printing of Human Tissue is Unveiled #medicine #health #science

interesting #DNA-Guided 3-D Printing of Human Tissue is Unveiled #medicine #health #science | Limitless learning Universe | Scoop.it
A UCSF-led team has developed a technique to build tiny models of human tissues, called organoids, more precisely than ever before using a process that turns human cells into a biological equivalent of LEGO bricks.
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Scientists Mimic Sharkskin to Develop #Bacteria Resistant Surfaces #biology #science

Scientists Mimic Sharkskin to Develop #Bacteria Resistant Surfaces #biology #science | Limitless learning Universe | Scoop.it
Smooth diamond shape texture of sharkskin appears to be a very hostile environment for micro-organisms.
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Trouble looms as warmer #oceans push marine life towards the poles #climate #extinction

Trouble looms as warmer #oceans push marine life towards the poles #climate #extinction | Limitless learning Universe | Scoop.it
Rising sea temperatures attributed to global climate change could drive many marine creatures away from the equator, but their move towards the poles promises to put them in peril in habitats that are...
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Newly discovered #dolphin hints at ancient transition from #oceans to rivers #archeology

Newly discovered #dolphin hints at ancient transition from #oceans to rivers #archeology | Limitless learning Universe | Scoop.it
This "river dolphin" lived in the ocean, and that's pretty exciting
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For the first time, scientists "squeeze" light one particle at a time #physics #science

For the first time, scientists "squeeze" light one particle at a time #physics #science | Limitless learning Universe | Scoop.it

A team of scientists has successfully measured particles of light being “squeezed”, in an experiment that had been written off in physics textbooks as impossible to observe.

 

Squeezing is a strange phenomenon of quantum physics. It creates a very specific form of light which is “low-noise” and is potentially useful in technology designed to pick up faint signals, such as the detection of gravitational waves.

 

The standard approach to squeezing light involves firing an intense laser beam at a material, usually a non-linear crystal, which produces the desired effect.

 

For more than 30 years, however, a theory has existed about another possible technique. This involves exciting a single atom with just a tiny amount of light. The theory states that the light scattered by this atom should, similarly, be squeezed.

 

Unfortunately, although the mathematical basis for this method – known as squeezing of resonance fluorescence – was drawn up in 1981, the experiment to observe it was so difficult that one established quantum physics textbook despairingly concludes: “It seems hopeless to measure it”.

 

So it has proven – until now. In the journal Nature, a team of physicists report that they have successfully demonstrated the squeezing of individual light particles, or photons, using an artificially constructed atom, known as a semiconductor quantum dot. Thanks to the enhanced optical properties of this system and the technique used to make the measurements, they were able to observe the light as it was scattered, and proved that it had indeed been squeezed.

 

Professor Mete Atature, from the Cavendish Laboratory, Department of Physics, and a Fellow of St John’s College at the University of Cambridge, led the research. He said: “It’s one of those cases of a fundamental question that theorists came up with, but which, after years of trying, people basically concluded it is impossible to see for real – if it’s there at all.”

 

“We managed to do it because we now have artificial atoms with optical properties that are superior to natural atoms. That meant we were able to reach the necessary conditions to observe this fundamental property of photons and prove that this odd phenomenon of squeezing really exists at the level of a single photon. It’s a very bizarre effect that goes completely against our senses and expectations about what photons should do.”


Via Dr. Stefan Gruenwald
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‘Bizarre’ giant sea #scorpion may have been the world’s first big predator #archeology #science

‘Bizarre’ giant sea #scorpion may have been the world’s first big predator #archeology #science | Limitless learning Universe | Scoop.it
Just be glad the freaky creature had its heyday half a billion years ago
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#physics #Antimatter Will Surf on Plasma Waves in the Particle Colliders of the #Future #science

#physics #Antimatter Will Surf on Plasma Waves in the Particle Colliders of the #Future #science | Limitless learning Universe | Scoop.it

The best way to study the subatomic particles that make up the most fundamental building blocks of our universe is, of course, to smash them into each other with as much energy as possible. And now physicists at SLAC National Accelerator Laboratory say they’ve found a better way to do that.


Researchers at SLAC’s Facility for Advanced Accelerator Experimental Tests (FACET) are especially interested in what happens when they crash high-energy beams of electrons into beams of positrons, their antimatter opposites. To answer the next generation of questions about these particles, however, physicists would need particle accelerators six miles long or more, with current accelerator technology.


That’s why FACET researchers developed a way to increase the energy of a particle beam in a shorter distance, so physicists could study electrons and positrons with smaller accelerators. It works like this: when physicists fire a concentrated group of electrons into an ionized gas, or plasma, the electrons create a wake. That wake can help accelerate a second group of electrons, travelling behind the first group, because they get to basically surf on a wave of plasma.


The technique, called plasma wakefield acceleration, works well for electrons, but it’s harder to accelerate positrons this way. Usually, the second group of positrons loses its shape or slows down when its hits the wake, rather than surfing the plasma wave and going faster. Researchers at FACET found a way to fire a single, carefully shaped group of positrons so that the front of the group creates a wake that helps accelerate the tail of the group and focus its shape.


It works well, according to the researchers, who published the results of their experiments in the journal Nature. “In this stable state, about 1 billion positrons gained 5 billion electronvolts of energy over a short distance of only 1.3 meters,” said lead author Sébastien Corde, of France’s Ecole Polytechnique, in a statement. That means the particle colliders of the future could be much smaller, with higher energy collisions, than today’s colliders.


At the moment, FACET is the only facility that can accelerate positrons this way. Particle colliders are expensive, so it’s not likely that research facilities will be building new colliders to take advantage of the wakefield acceleration method anytime soon, but some may upgrade their existing accelerators. “It’s conceivable to boost the performance of linear accelerators by adding a very short plasma accelerator at the end,” said Corde, “That would multiply the accelerator’s energy without making the entire structure significantly longer.”


Via Mariaschnee, Dr. Stefan Gruenwald
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The magnetic mystery at the center of the Earth #physics #Science #magnetism

The magnetic mystery at the center of the Earth #physics #Science #magnetism | Limitless learning Universe | Scoop.it
The history of the planet’s all-important magnetic field has scientists ramping up simulations and lab experiments to resolve a baffling paradox.
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Life after death? Largest-ever study provides evidence #NDE 'near-death' experiences may be real #science #spirit

Life after death? Largest-ever study provides evidence #NDE 'near-death' experiences may be real #science #spirit | Limitless learning Universe | Scoop.it
There is scientific evidence to suggest that life can continue after death, according to the largest ever medical study carried out on the subject.
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#NASA envisions sending data to Earth with laser beams #space #astronomy #science

#NASA envisions sending data to Earth with laser beams #space #astronomy #science | Limitless learning Universe | Scoop.it
NASA spacecraft may soon be able to beam their data home to Earth blazingly fast — with lasers!
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Scientists detect ghostly #particles under Earth's surface #physics #science

Scientists detect ghostly #particles under Earth's surface #physics #science | Limitless learning Universe | Scoop.it
Using giant vats of organic liquid buried under a mountain in Italy, scientists have shed new light on the origins of ghostly particles known as neutrinos generated by the Earth.
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#Biologist Spots Rare Slimy #Nautilus for First Time in 30 Years #biology

#Biologist Spots Rare Slimy #Nautilus for First Time in 30 Years #biology | Limitless learning Universe | Scoop.it
Thirty years after finding a then-new species of nautilus off the coast of Papua New Guinea, Peter Ward finally got a chance to see it once more.
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Mysterious #Spider With Blood-Red Fangs Found in #Australia #biology

Mysterious #Spider With Blood-Red Fangs Found in #Australia #biology | Limitless learning Universe | Scoop.it
A scientist peeked under a rock and found an unusually colored mutant of a venomous funnel-web spider.
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A New #Theory to Explain the #Higgs Mass #science #physics #125KeV

A New #Theory to Explain the #Higgs Mass #science #physics #125KeV | Limitless learning Universe | Scoop.it
Three physicists have proposed a new solution to one of the deepest mysteries in particle physics: why the Higgs boson has such a tiny mass.
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Wasp study finds sting in the tail for #cancer cells #biology #science

Wasp study finds sting in the tail for #cancer cells #biology #science | Limitless learning Universe | Scoop.it
Research has found a Brazilian wasp’s venom could destroy tumours of leukaemia, prostate and bladder cancer without harming healthy tissue
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Interesting #Climate change will do strange things to this hungry little #microbe #biology

Interesting #Climate change will do strange things to this hungry little #microbe #biology | Limitless learning Universe | Scoop.it
For CO2-eating bacteria, climate change is kind of a sweet deal.
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#foodforthought Altered protein found to cause rare #Parkinson’s-like disease #medicine

#foodforthought Altered protein found to cause rare #Parkinson’s-like disease #medicine | Limitless learning Universe | Scoop.it
When Stanley B. Prusiner, a UCSF neurologist, first proposed that inert proteins he called prions could somehow fold into strange shapes and infect humans with rare diseases of the brain, his idea 30 years ago was widely dismissed as nonsense.
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