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A study in mice has found that maternal gut microbiome composition during pregnancy has long-term effects on offspring stem cell growth and development. The researchers, headed by Parag Kundu, PhD, at the Institut Pasteur of Shanghai-Chinese Academy of Sciences, found that treating pregnant mice with the common gut microbe Akkermansia muciniphila resulted in offspring that had more active stem cells in both the brain and intestinal tract. As a result the offspring were less anxious and recovered quicker from colitis, and these differences were still evident at 10 months of age.

The team showed that Akkermansia muciniphila impacted stem cell growth by altering the abundance of other gut microorganisms and increasing the microbial production of metabolites that cross the placenta and induce stem cell growth and proliferation. Exposing offspring to the bacterium after birth did not result in the same stem cell activation.

“This is a major advancement in developing microbiota-based intervention strategies to improve child health,” said Kundu, who is senior author of the team’s published paper in Cell Stem Cell, titled “Maternal gut microbiota influence stem cell function in offspring.” In their report the team stated, “These results suggest a fundamental role of the maternal microbiome in programming offsprings’ stem cells and represent a promising target for interventions.”

It is quite conventional that the working of classical computers is affected immensely by heat and one might have come across this situation in their lives when their computer failed to function properly due to excessive heating.

But what about quantum computers? Do thermodynamical factors influence the workings of a quantum computing device? Well, the answer is yes, quantum computers operate using quantum bits or qubits that essentially are in a superposed state exchanging information in binary code. An interesting fact about qubits is that they not only exchange information using 0 and 1 but also intermediate values between 0 and 1. These qubits are very sensitive, in that excessive heat generation could cause work-related defects which in a sense can cause harm to the device as a whole. Another crucial point is that in order to retrieve significant information from the qubit system, the associated quantum states must be dismantled and this could possibly impact the quantum system heavily in a negative manner as the process would be exothermic.

In recent work, physicists have investigated the thermodynamic effects caused by superconducting quantum systems [1]. The method involves the employment of a Josephson junction which essentially operates on the Josephson effect, an example of macroscopic quantum phenomena wherein a supercurrent flows between two superconductors placed end-to-end or in close proximity to each other. The principal usability of a Josephson junction is to store quantum information. Using superconductors is a plus because it helps enhance the efficiency of the qubits.

An Iranian cosmologist has recently suggested another way we could look for extraterrestrial life in our universe. Could it be, he wonders in a new paper (which appears now on the preprint site arXiv), that these advanced alien civilizations are using Dyson spheres around primordial black holes as a way to gather energy? And, if so, how could we look for the signs? His work makes some big assumptions that may not be justified, but this specific type of cosmology has always been a little far out—and it’s where the biggest insights can sometimes lie.

Shant Baghram is a physicist at the Sharif University of Technology in Tehran. His new paper, which is an unusual solo work in a long career of collaboration with colleagues and graduate students, is a quick-and-dirty introduction to ideas like SETI (the Search for Extraterrestrial Intelligence), the Drake equation, and the Dyson sphere—all hallmarks of those who theorize about alien civilizations.

Many of the technologies that will define the future of space warfare are already in development. The problem facing the U.S. is that China is spearheading most of it.

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Spacedock delves into the process of designing an FTL drive for your fictional setting. Find the full unedited version of this script by Science Advisor Gabriel Fonseca for free here: https://www.patreon.com/posts/117769969/

Continue reading “How to Design an FTL Drive” »

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“The next wave of AI will be able to augment people to become superhuman. Solutions will be at the ready for nearly all problems facing humanity.” ~Alex Bates.

Habits2Goals presents a powerful interview with Alex Bates, a phenomenal entrepreneur, inventor and bestselling author of Augmented Mind: AI Superhumans and the Next Economic Revolution.

Continue reading “Augmented Mind with Alex Bates (Habits 2 Goals Podcast Interview w/ Martin Grunburg)” »

Exponential Medicine is a unique and intensive four-day experience that gathers world-class faculty, innovators and organizations from across the biomedical and technology spectrum to explore and leverage the convergence of fast moving technologies in the reinvention and future of health and medicine.

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Talk recorded live at CERN on 17 November 2022 during the second edition of the Sparks! Serendipity Forum at CERN. #CERNSparks.

There are many developments in the field of detection and imaging, and some are happening here at CERN — as Madgdalena Kowalska, a senior researchers explains.