The freezing procedure, called cryonics, costs $36,000 for a whole body and $15,000 for the brain alone.
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Did the universe design itself?
Posted in alien life, physics
Many philosophers and scientists believe that we need an explanation as to why the laws of physics and the initial conditions of the universe are fine-tuned for life. The standard two options are: theism and the multiverse hypothesis. Both of these theories are extravagant and arguably have false predictions. Drawing on contemporary philosophy of mind, I outline a form of panpsychism that I believe offers a more parsimonious and less problematic explanation of cosmological fine-tuning.
#biophotonics #photonics
ONNA, Japan, Jan. 13, 2020 — Scientists at the Okinawa Institute of Science and Technology (OIST) Graduate University have developed a light-based device that can act as a biosensor, detecting biological substances in materials, such as harmful pathogens in food. The scientists said that their tool, an optical microresonator, is 280× more sensitive than current industry-standard biosensors, which can detect only cumulative effects of groups of particles, not individual molecules.
Sekisui House has upped its ante in a potentially game-changing, life-altering home health technology at this year’s CES.
In this excerpt from FLORIDA TODAY’s Eye on Brevard, space reporter Emre Kelly talks about Blue Origins’ progress on the Space Coast.
Rob Landers, FLORIDA TODAY
Cuba is the most sustainably developed country in the world, according to a new report launched on November 29. The socialist island outperforms advanced capitalist countries including Britain and the United States, which has subjected Cuba to a punitive six-decades-long economic blockade. The Sustainable Development Index (SDI), designed by anthropologist and author Dr Jason Hickel, calculates its results by dividing a nation’s “human development” score, obtained by looking at statistics on life expectancy, health and education, by its “ecological overshoot”, the extent to which the per capita carbon footprint exceeds Earth’s natural limits. [block: views=node_blocks-related].
The chess world was amazed when the computer algorithm AlphaZero learned, after just four hours on its own, to beat the best chess programs built on human expertise. Now a research group at Aarhus University in Denmark has used the very same algorithm to control a quantum computer.
All across the world, numerous research groups are attempting to build a quantum computer. Such a computer would be able to solve certain problems that cannot be solved with current classical computers, even if we combined all these computers in the world into one.
At Aarhus University, researchers share the ambition of building a quantum computer. For this reason, a research group under the direction of Professor Jacob Sherson has just used the computer algorithm AlphaZero to learn to control a quantum system.
Making sense of the self
Posted in biotech/medical, neuroscience
Boston, Mass. — Interoception is the awareness of our physiological states; it’s how animals and humans know they’re hungry or thirsty, and how they know when they’ve had enough to eat or drink. But precisely how the brain estimates the state of the body and reacts to it remains unclear. In a paper published in the journal Neuron, neuroscientists at Beth Israel Deaconess Medical Center (BIDMC) shed new light on the process, demonstrating that a region of the brain called the insular cortex orchestrates how signals from the body are interpreted and acted upon. The work represents the first steps toward understanding the neural basis of interoception, which could in turn allow researchers to address key questions in eating disorders, obesity, drug addiction, and a host of other diseases.
Using a mouse model his lab developed at BIDMC, Mark Andermann, PhD, principal investigator in the Division of Endocrinology, Diabetes and Metabolism at BIDMC and Associate Professor of Medicine at Harvard Medical School, and colleagues recorded the activity of hundreds of individual brain cells in the insular cortex to determine exactly what is happening as hungry animals ate.
The team observed that when mice hadn’t eaten for many hours, the activity pattern of insular cortex neurons reflected current levels of hunger. As the mice ate, this pattern gradually shifted over hours to a new pattern reflecting satiety. When mice were shown a visual cue predicting impending availability of food — akin to a person seeing a food commercial or a restaurant logo — the insular cortex appeared to simulate the future sated state for a few seconds, and then returned to an activity pattern related to hunger. These findings provided direct support for studies in humans that hypothesized that the insular cortex is involved in imagining or predicting how we will feel after eating or drinking.