Lifeboat Foundation

In 1929, astronomers discovered that galaxies are streaming away from us and each other. They interpreted this observation that the universe is expanding. However, when they measured how fast it is expanding, they got different answers using different methods. The difference continues to be a thorn in their description of the expanding universe.

A potential solution has been proposed by a research team headed by Souvik Jana from the International Centre for Theoretical Sciences in Bengaluru. Their paper, recently published in the Physical Review Letters.

Physical Review Letters (PRL) is a peer-reviewed scientific journal published by the American Physical Society. It is one of the most prestigious and influential journals in physics, with a high impact factor and a reputation for publishing groundbreaking research in all areas of physics, from particle physics to condensed matter physics and beyond. PRL is known for its rigorous standards and short article format, with a maximum length of four pages, making it an important venue for rapid communication of new findings and ideas in the physics community.

Immune system changes in the pregnant body that protect the fetus appear to extend to the brain, where a decrease in immune cells late in gestation may factor into the onset of maternal behavior, new research in rats suggests.

In adult female rats that had never given birth—which typically don’t like being around babies—depletion of these cells sped up their care for rat newborns that were placed in their cage.

The loss of these cells, called microglia, and the related uptick in motherly attentiveness were also associated with changes to neuron activity in several regions of the rat brain, suggesting shifts in immune function have a role in regulating maternal behavior.

However, there are no drugs that specifically block MAPK4 that could be tested to reduce tumor growth. Instead, Yang and his colleagues explored an alternative approach.

We showed that blocking both AKT and PDK1 effectively repressed MAPK4-induced cancer cell growth, suggesting a potential therapeutic strategy to treat MAPK4-dependent cancers, such as a subset of TNBC, prostate and lung cancer.

“In this study we have not only advanced our understanding of the molecular mechanism underlying the tumor-promoting activity of MAPK4, we also have found a potential novel therapeutic approach for human cancers,” Yang said.

© 2023 American Academy of Allergy, Asthma & Immunology. All Rights Reserved.

Can AI capture the emotion that a singer today can convey, or dupe us into believing they’re not human? Can Ronnie James Dio’s voice be brought back from the dead? In this episode of The Singing Hole, we explore where AI’s technology is today, how creators are harnessing the technology and how we can better prepare for the eventual future with music.

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Continue reading “How long until AI can replace a singer? It’s already happening” »

Zach Kirkhorn’s replacement, Delhi-trained accountant Vaibhav Taneja, has kept a low profile since joining Tesla in 2016—a very low profile.

A lesson from ChatGPT: people get excited by progress when they understand what it means.

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Today I have an update on the reproduction efforts for the supposed room temperature superconductor, LK 99, the first images from the Euclid mission, more trouble with Starlink satellites, first results from a new simulation for cosmological structure formation, how to steer drops with ultrasound, bacteria that make plastic, an improvement for wireless power transfer, better earthquake warnings, an attempt to predict war, and of course the telephone will ring.

Continue reading “Superconductor LK99 Update” »

US scientists have achieved net energy gain in a nuclear fusion reaction for the second time since a historic breakthrough in December last year in the quest to find a near-limitless, safe and clean source of energy.

Scientists at the California-based Lawrence Livermore National Laboratory repeated the breakthrough in an experiment in the National Ignition Facility (NIF) on 30 July that produced a higher energy yield than in December, a Lawrence Livermore spokesperson said.