Menu

Blog

Page 6315

Apr 21, 2020

Researchers link age-related DNA modifications to susceptibility to eye disease

Posted by in categories: biotech/medical, life extension

National Eye Institute (NEI) researchers profiling epigenomic changes in light-sensing mouse photoreceptors have a clearer picture of how age-related eye diseases may be linked to age-related changes in the regulation of gene expression. The findings, published online April 21 in Cell Reports, suggest that the epigenome could be targeted as a therapeutic strategy to prevent leading causes of vision loss, such as age-related macular degeneration (AMD). NEI is part of the National Institutes of Health.

“Our study elucidates the molecular changes and biological pathways linked with aging of rod photoreceptors, light-sensing cells of the retina. Future investigations can now move forward to study how we can prevent or delay vision loss in aging and hopefully reduce the risk of associated neurodegeneration” said the study’s lead investigator, Anand Swaroop, Ph.D., senior investigator and chief of the NEI Neurobiology, Neurodegeneration, and Repair Laboratory.

Each organism is born with a genome, a library of genes that control all the body’s cellular and tissue functions. Expression of those genes—when information stored in DNA is converted into instructions for making proteins or other molecules—is modulated and maintained by the organism’s epigenome. The epigenome tags the DNA code to modify gene expression in ways that can be favorable and unfavorable for survival.

Apr 21, 2020

Air Force F-X concept: a fuel-sipping electric fighter jet for 2030

Posted by in categories: energy, military

Circa 2011


The U.S. Air Force is working to produce its next-generation fighter jet, and word has it that the energy around the project is going to be electric. Literally.

It’s called the “F-X” concept (not to be confused with the VFAX/VFX/FX concepts of the 1960s and ’70s) and it’s intended to enter service in 2030.

Continue reading “Air Force F-X concept: a fuel-sipping electric fighter jet for 2030” »

Apr 21, 2020

Muons: the little-known particles helping to probe the impenetrable

Posted by in categories: nuclear energy, particle physics

Circa 2018


The ubiquitous particles are helping to map the innards of pyramids and volcanoes, and spot missing nuclear waste.

Apr 21, 2020

Habitable-zone planet found in ‘reanalyzed’ Kepler data

Posted by in category: space

After ‘reanalyzing’ data from NASA’s Kepler Space Telescope, scientists have discovered an Earth-size planet, named Kepler-1649c, residing in its star system’s habitable zone. Full Story: https://www.space.com/earth-size-exoplanet-habitable-zone-kepler.html

: Space.com / animation: NASA/Kepler Mission/Dana Berry / Kepler-1649c illustrations: NASA/Ames Research Center/Daniel Rutter / produced & edited by Steve Spaleta (http://www.twitter.com/stevespaleta)

Apr 21, 2020

New ‘Hot Qubits’ Let Quantum Computers Run 15X Warmer Than Before

Posted by in categories: computing, quantum physics

When people say quantum computing is “hot” right now they are most definitely talking metaphorically; today’s leading devices have to operate at close to absolute zero. Now two research groups have demonstrated technology that run s 15 times hotter, which could be a big step towards making the devices affordable and practical.

The reason quantum computers have to be run at such low temperatures is that the quantum states they rely on are incredibly fragile, and the slightest disturbance can cause the information encoded in them to be lost. To prevent this these devices are chilled to near absolute zero, where vibrations and thermal fluctuation are almost non existent.

Continue reading “New ‘Hot Qubits’ Let Quantum Computers Run 15X Warmer Than Before” »

Apr 21, 2020

Radiation: In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium

Posted by in categories: materials, particle physics

In physics, is the emission or transmission of energy in the form of waves or particles through space or through a material medium.[1][2] This includes:

Apr 21, 2020

Full Interview: Edward Snowden On Trump, Privacy, And Threats To Democracy | The 11th Hour | MSNBC

Posted by in category: privacy

On the eve of his memoir ‘Permanent Record’ being published, NSA whistleblower Edward Snowden talked at length from Moscow with MSNBC’s Brian Williams in an exclusive interview. This is their discussion in its entirety, edited down slightly for clarity.
Aired on 9/17/2019.
» Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc

MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, Meet the Press Daily, The Beat with Ari Melber, Deadline: White House with Nicolle Wallace, Hardball, All In, Last Word, 11th Hour, and more.

Continue reading “Full Interview: Edward Snowden On Trump, Privacy, And Threats To Democracy | The 11th Hour | MSNBC” »

Apr 21, 2020

Mark Zuckerberg discusses Facebook’s new COVID-19 tracking site

Posted by in category: biotech/medical

#News, #Covid


Facebook CEO Mark Zuckerberg on Monday unveiled a coronavirus ‘heat map’ powered by Facebook data which is aimed at helping track the spread of the disease and plan for reopening society. The first map (pictured) is based on more than two million responses to surveys which asked users in the US to self-report symptoms over a period of 10 days in April.

Continue reading “Mark Zuckerberg discusses Facebook’s new COVID-19 tracking site” »

Apr 21, 2020

New AI algorithm brings us closer than ever to controlling machines with our minds

Posted by in categories: biotech/medical, cyborgs, information science, robotics/AI

Researchers from Carnegie Mellon and the University of Pittsburgh today published research showing how they’d solved a frustrating problem for people who use a brain-computer interface (BCI) to control prosthetic devices with their thoughts.

While the research itself is interesting – they created an algorithm that keeps the devices from constantly needing to be re-calibrated to handle the human brain’s fluctuating neuronal activity – the real takeaway here is how close we are to a universal BCI.

BCIs have been around for decades in one form or another, but they’re costly to maintain and difficult to keep working properly. Currently they only make sense for narrow use – specifically, in the case of those who’ve lost limbs. Because they’re already used to using their brain to control an appendage, it’s easier for scientists and researchers to harness those brainwaves to control prosthetic devices.

Apr 21, 2020

Nanovalves for nanoparticles

Posted by in categories: biotech/medical, nanotechnology

Newly-developed nanovalves allow the flow of individual nanoparticles in liquids to be controlled in tiny channels. This is of interest for lab-on-a-chip applications such as in materials science and biomedicine.