Another solution for global expansion; Computing with brain organoids

Researchers this week reported the discovery of four massive stone structures from the Late Bronze Age that were likely used to hunt herds of wild animals. Physicists have proven that the central law of thermodynamics does not apply to atomic-scale objects that are linked via quantum correlation. and two Australian Ph.D. The students coded a software solution for the James Webb Space Telescope’s aperture masking interferometer, which produces blurry images.

In addition, researchers are attaching small human brain organoids to a computing substrate; Developmental biologists have suggested that exposure to environmental lead may have influenced early human brain development; Physicists have provided a predictive model to explain the acceleration of global expansion without the presence of dark matter:

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1984: William Gibson changed the science fiction landscape with Neuromancer, a heist novel centered around thieves working within a global information system in a world of massive inequality dominated by a wealthy few. Besides coining the term “cyberspace,” Gibson introduced mass-market fiction readers to the concept of biochips built on living tissue, which would involve an alternative, and perhaps more powerful, computing substrate.

2025: In our current world of massive inequality dominated by a wealthy few, scientists at the Swiss startup FinalSpark I mentioned They designed small organoids from human brain cells grown from stem cells and used them as a primitive computer. Attached electrodes give scientists access to pulses within the organism’s network, and delivering a small electrical current results in either a spike of activity, or no activity, the digital equivalent of zeros and zeros.

Although this technology is at a very nascent stage, researchers are exploring the potential of biocomputing in the future. Among other advantages, neurons are a million times more efficient than artificial neurons; Given the nature of power-hungry endeavors like training large language models, HPC of one kind or another is likely to achieve successes.

This toxic heavy metal affects brain development

Combining fossil geochemistry, brain organoid experiments and evolutionary genetics, international collaborative research suggests that exposure to environmental lead affected the evolution of Homo sapiens brains. Although exposure to lead is widely believed to be a recent industrial phenomenon, environmental lead is not uncommon, and for ancient humans, foraging or growing plants in lead-contaminated soil would have posed a threat to health, and researchers argue that it likely constituted evolution.

Using a human brain organoid, they compared the effects of lead on two copies of a developmental gene known to regulate gene expression upon exposure to lead during neurodevelopment. The modern human version of this gene differs from the Neanderthal version. The researchers found that the Neanderthal version showed disorders in the cortex and thalamus that did not occur in the modern human version.

Using laser ablation geochemistry, researchers found distinct “lead streaks” in Neanderthal teeth that reveal episodes of lead ingestion from environmental sources. “Our data suggest that lead exposure was not just a product of the industrial revolution, but was part of our evolutionary landscape,” says Reno Guan Puyao from Southern Cross University. “This means that the brains of our ancestors evolved under the influence of a powerful toxic metal, which may have shaped their social behavior and cognitive abilities over thousands of years.”

Global expansion explained, astronomy solved, and physicists review their CVs

The universe: why is its expansion accelerating? We would all like to know the answer to this question, and if you could take all the dark matter out of the equation, it would be a lot easier. Researchers in Bremen and Romania, frustrated by the necessity of applying the mysterious “dark energy term” to the Friedmann equations in order to produce a solution that matches the observable universe, have taken a new approach.

Fensler’s model of gravitation, an extension of general relativity, allows for more accurate modeling of the gravitational force of gases. When they incorporated the Fensler expansion into the Friedmann equations, they predicted an accelerated expansion of the universe in a vacuum without even mentioning dark matter. Is it an acronym? Is it an accurate model that removes dark matter from the universe? Is physics finally solved for good? We inform you – you decide.

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