Lifeboat Foundation

DARPA wants a stealthy, fuel-scavenging hybrid-electric motorcycle for special forces.

Scientists at the University of Virginia School of Medicine have identified a potential explanation for the mysterious death of specific brain cells seen in Alzheimer’s, Parkinson’s and other neurodegenerative diseases.

The new research suggests that the cells may die because of naturally occurring gene variation in brain cells that were, until recently, assumed to be genetically identical. This variation – called “somatic mosaicism” – could explain why neurons in the temporal lobe are the first to die in Alzheimer’s, for example, and why dopaminergic neurons are the first to die in Parkinson’s.

“This has been a big open question in neuroscience, particularly in various neurodegenerative diseases,” said neuroscientist Michael McConnell of UVA’s Center for Brain Immunology and Glia, or BIG. “What is this selective vulnerability? What underlies it? And so now, with our work, the hypotheses moving forward are that it could be that different regions of the brain actually have a different garden of these [variations] in young individuals and that sets up different regions for decline later in life.”

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The so-called “zombie disease” has been reported in deer, elk, and moose across 24 US states, according to a new warning by the US Centers for Disease Control and Prevention (CDC).

As of January 2019, at least 251 counties across the US, from northern Montana to southern Texas, have reported CWD in free-ranging cervids, members of the deer family. Farther afield, there are similar concerns for reindeer in Norway, Finland, and, to a lesser extent, South Korea.

Scientifically known as chronic wasting disease (CWD), the contagious neurological disease gets its sensational nickname because of its effect on the brain of cervids, including North American elk or wapiti, red deer, mule deer, black-tailed deer, white-tailed deer, sika deer, reindeer, and moose. Deer that have been struck with the disease suffer from drastic weight loss, abnormal behavior, stumbling, drooling, lack of coordination, aggression, excessive thirst, and a fear of others.

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NASA is accelerating plans to return Americans to the Moon, and this time, the US space agency says it will be there to stay.

Jim Bridenstine, NASA’s administrator, told reporters Thursday that the agency plans to speed up plans backed by President Donald Trump to return to the moon, using private companies.

“It’s important that we get back to the moon as fast as possible,” said Bridenstine in a meeting at NASA’s Washington headquarters, adding he hoped to have astronauts back there by 2028.

Sounds wild, but it may well be so.

Malicious actors could exploit the laws of quantum mechanics to destroy quantum information on a global scale, say physicists.

Scientists have demonstrated entanglement between 16 million atoms in a crystal crossed by a single photon, reinforcing the quantum theory that entanglement can persist in macroscopic physical systems.

Circa 2018

The experimental mastery of complex quantum systems is required for future technologies like quantum computers and quantum encryption. Scientists from the University of Vienna and the Austrian Academy of Sciences have broken new ground. They sought to use more complex quantum systems than two-dimensionally entangled qubits and thus can increase the information capacity with the same number of particles. The developed methods and technologies could in the future enable the teleportation of complex quantum systems. The results of their work, “Experimental Greenberger-Horne-Zeilinger entanglement beyond qubits,” is published recently in the renowned journal Nature Photonics.

Similar to bits in conventional computers, qubits are the smallest unit of information in quantum systems. Big companies like Google and IBM are competing with research institutes around the world to produce an increasing number of entangled qubits and develop a functioning quantum computer. But a research group at the University of Vienna and the Austrian Academy of Sciences is pursuing a new path to increase the information capacity of complex quantum systems.

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Space architecture startup AI SpaceFactory achieved second place in the latest phase of a NASA-led competition, pitting several groups against each other in pursuit of designing a 3D-printed Mars habitat and physically demonstrating some of the technologies needed to build them.

With a focus on ease of scalable 3D-printing and inhabitants’ quality of life, as well as the use of modular imported goods like windows and airlocks, MARSHA lends itself impeccably well to SpaceX’s goal of developing a sustainable human presence on Mars as quickly, safely, and affordably as possible with the support of its Starship/Super Heavy launch vehicle.

Continue reading “3D-printed Mars habitat could be a perfect fit for early SpaceX Starship colonies” »